Google publisher partner. By Jaffer Zaidi Jun 26, 2024.

Google publisher partner Snigel is a Google Certified Publishing Partner that provides cutting-edge, AI-powered ad tech that can be fully customized to your needs along with a dedicated ad ops specialist who creates, implements, and manages your ad strategy for you. The Google Play Books Partner Centre is where authors and publishers can submit their books to Google. If you’re looking to take your business to the next level, rely on the expertise of Google Certified Publishing Partners. Learn Work with the best in the industry with our Certified Publishing Partners. Appeal a decision about your book or After all, this is a real partnership, one where we know scholarly and professional publishing and Google knows how to connect information and people. As a Google Certified Publishing Partner, we get access to many of those beta programs that are specific to publishing, advertising and ad tech. Partner with a trusted expert. By A Trusted Partner . The Client Services Agreement allows you provide Digital Files and to implement settings for the Partner Program and for Google Play for each publisher you represent. About Play Books affiliates. Google is not involved in this contract. A Google Ad Manager 360 Platform Partner is a company that has been authorised by Google to sell and support Google Ad Manager 360 to publishers. Finally, make sure you've approved the placements whose tags you want to download. Our extensive list of partners will help you maximize your revenue. We are also a certified Cloudflare, WordPress, and Flippa website exchange partner. Child publishers can choose To comply with the EU User Consent Policy, partners using our publisher products—Google AdSense, Ad Manager, or AdMob—are required to use a consent management platform (CMP) that has been certified by Google and integrates with the IAB's Transparency and Consent Framework (TCF) when serving personalized ads to users in the following regions: Take your marketing to the next level with a Google Partner . View-through conversion window: Definition; 192 of 192. Sell eBook on Google Play; Sell audiobook on Google Play; Create an auto-narrated audiobook; Offer a preview on Google Play Books only; Select a 'Book ID': If you don’t have an ISBN or EAN, click Get a Google book ID (GGKEY). Google's service, offered free of charge, instantly translates words, phrases, and web pages between English and over 100 other languages. Take advantage of Google account management, Working with a Google Certified Publishing Partner can help bring your business to the next level. Mereka berkomitmen untuk memelihara ekosistem iklan yang sehat A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. Together, we can help content creators flourish. Use Adwords. Featured posts View all featured posts. As a GCPP, Snigel has been thoroughly reviewed and approved by Google, and they endorse our service quality and efficacy. Daftar partner kami yang lengkap akan membantu Anda memaksimalkan pendapatan. Promotional offers Promotional offers allow you to give your new A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. Support for native inventory is not yet available. 8. Kattavan yhteistyökumppaniverkostomme avulla voit maksimoida tulosi. Premier Partners are recognized among the When you submit your books through the Play Books Partner Centre, you can: Sell your book through the Play Store and offer a preview on Google Books. After you're assigned a GGKEY, click Save and continue. Optimize your ad revenue with Reader Revenue Manager Announcement Hi everyone, We launched a new survey feature that allows you to ask your readers questions to bette A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. This help content & information General Help Center experience. Program Partner Publisher Besertifikasi Google adalah akreditasi untuk konsultan dan penyedia layanan yang telah membangun bisnisnya sendiri untuk membantu penayang meraih kesuksesan dengan Google AdSense dan Google Ad Manager. Sign up now. Apply to become a partner and successfully reach publishers by being an approved member of the Certified Publishing Partner programme. A Google Certified Publishing Partner is a company that we’ve reviewed and have Learn how to choose a partner that suits your monetization needs from over 50,000 publishers worldwide. What are the Benefits of Working With a GCPP? To begin, teaming up with a GCPP ensures that the company has passed Google’s rigorous checks and has a history of achievements. Unless you specify otherwise, we'll use your A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. They are committed to maintaining a healthy ads ecosystem and have the Certified The Certified Publishing Partners badge lets you know you’re working with someone who has been carefully vetted by Google. Parent publisher–refers to a third-party ad tech company or Google certified partner who has direct access to Google AdX. Our Certified Partners are experts on Google monetization products and provide innovative solutions and services to support over 50,000 publishers worldwide across all sizes and verticals including news, lifestyle, fashion, gaming and food, among other content categories. Clear search Publisher Options. Jika ingin mengembangkan bisnis lebih jauh, Anda dapat menggunakan keahlian Partner Publisher Bersertifikasi Google. There are two Google Partner badge formats: one that can be used on online properties (the 'HTML snippet') and assets that can be used on other marketing materials. However, as a publisher looking for a trusted monetization partner, you may have come across an important term–Google Certified Publishing Partner (GCPP). The SPM program enabled smaller and mid-sized publishers to access Google’s Ad Exchange via larger publishers and channel partners. Publisher programme policies for Google Play Books; 5 of 9. If a problem is detected, Google Partners This help content & information General Help Center experience. As a Google AdX reseller, we give you access to premium ad Sites in the Display Network that partner with Google to show ads. Explore the new Find a Partner page with detailed profiles, services and success stories of Google Certified Publishing If you’re looking to take your business to the next level, rely on the expertise of Google Certified Publishing Partners. By Jaffer Zaidi Jun 26, 2024. Customized ad strategies: GCPPs are known to provide customized solutions as unique as the publisher’s business. Publisher content policies for Google Play Books; 6 of 9. com our news site has been regularly published on the Google News platform for a long time. Overview Find a Partner Work with a partner Success Stories Find a Partner Certified Publishing Partner Find out how you can become a Certified Publishing Partner. Become a Certified Publishing Partner, and you’ll get access to Google services and clientele that will help you expand your Publishing Partner Grow your partnership with Google by becoming a certified partner. Join the Google Books Partner Program. Enable your books for sale. If your default settings aren't configured to automatically set books to go live, you'll need to enable your books for sale on Google Play. Overview Find a Partner Work with a Partner Success Stories Find a Partner Certified Publishing Partner Be come a Google Cert ifie d Publishing Part ner Grow your partnership with Google by becoming a certified partner. How To Enable Google's Publisher-Provided Identifiers (PPID) To use PPIDs on Google, publishers need the paid version of Google Ad Manager 360. To help publishers easily find reliable partners, Google started its GCPP program. We are proud to be a Google Certified Publishing Partner and a trusted source for help with Google products like Google Ad Manager. Certified Publishing Partner. Appeal a decision about your book or Google MCM Program (Multiple Customer Management) lets publishers access Google Ad Exchange through a 3rd party. Google’s Certified Publishing Partner programme is an accreditation for consultants and service providers who have built their own businesses around helping publishers succeed with Google AdSense and Google Ad Manager. The Google Partners program offers three tiers of participation — Member, Partner, and Premier Partner — each with its own comprehensive set of benefits and opportunities to further deepen your relationship with Google. Google AdX Partner vs Google Certified Publishing Partner (GCPP) This is a good time to talk about the differences between a Google AdX partner, also known as an MCM A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. Partners must also adhere to Google Ad Manager's system maximums and limits, as applicable. Already a Book Search partner? Check out the Best Practices page in the Partner Help Center for tips on how to make Book Search work even harder for you. Select Publish to Google Play and Google Books. They can provide publishers with a variety of services, including: Setting up and managing Google Ad Manager 360 accounts, selling and delivering ads, providing support and training, and helping Partner with a trusted expert. How Google Books Preview Program works. Each publisher will also need to have an agreement directly with Google. Clear search 10 Google Certified Publishing Partners. The Partner Centre offers a number of features: Control over your books' bibliographic information OpenX is a leading global programmatic ad-exchange built around data and identity. 1. If your partner is a Google Certified Publishing Partner, then it must have: Completed initial 6-month onboarding trial. Partner tersebut akan membantu menangani semua hal, mulai dari meningkatkan pendapatan iklan Anda hingga menyusun strategi di banyak bidang termasuk penyiapan, pengoptimalan, dan pengelolaan. The Problem of Publishing and Indexing in the Google News App Kanal46. If you’re looking to bring your business to the next level, rely on the expertise of Google Certified Publishing Partners. A Google Certified Publishing Partner is a company that we’ve reviewed and have proven to be experts using Google products and also provide publishers with innovative solutions and services. Search quality. Pakar software publikasi kami akan membantu memaksimalkan pendapatan dan mengembangkan bisnis Anda. The Certified Publishing Partners badge lets you know you’re working with someone who has been carefully vetted by Google. Your data; Any restatements of the Platforms program policies or Google Publisher Policies in these Partner Guidelines are for clarification purposes only, and do not limit the application of the Platforms program policies and Google Publisher Policies to Partners. Buyers who don’t follow the SLA are reevaluated for their eligibility to participate in PG the following month. Ezoic. Google News Publisher Center also isn’t a tool to produce online websites optimized for desktop web browsers. Celebrate your story on Google for Publishers. You can find more information about how to become a Client Service Provider here. It is the replacement for Google SPM (Scaled Partner Management) and a tool for publishers to increase their ad revenue and gain deeper insight into their Ad Exchange performance. You can bring your business to the next level by working with a Google Certified Publishing Partner to provide publishers with innovative solutions and services. Any restatements of the Platforms program policies or Google Publisher Policies in these Partner Guidelines are for clarification purposes only, and do not limit the application of the Platforms program policies and Google Publisher Policies to Partners. Work with the best in the industry with our Certified Publishing Partners. Find out how you can become a Certified Publishing Partner. Payment information should be ready around the 15th of the month, or the next business day after the previous month's closure. Search for Find local businesses, view maps and get driving directions in Google Maps. Ezoic’s platform uses machine learning to analyze user behavior and automatically adjust ad Official Books Partner Programme Help Center where you can find tips and tutorials on using Books Partner Programme and other answers to frequently asked questions. They got to work with their partners at Google to rethink MapQuest’s ad strategy and help a longtime brand set For syndication partners, Google publisher products are not eligible for entities or individuals owned or controlled by or acting for or on behalf of such restricted entities or individuals. A Google channel partner's This post was most recently updated on October 15th, 2020. GRADA Publishing gains new customers using Google Books. Find your perfect partner. " A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. If the publisher is at fault for an under-delivery, it won’t count against the buyer’s SLA. Find a Certified Publishing Partner who can offer you services, insights, and technology to help you succeed. Google Certified Publishing Partner (GCPP) is a status awarded by Google to ad tech companies that have demonstrated proficiency in deploying Google's advertising tools, like Google AdSense and Google Ad Manager. Please keep in mind that each partner has their own set criteria and expectations for the publishers they will work with. Bekerja dengan yang terbaik di industri melalui Partner Publisher Bersertifikasi kami. Mereka dapat memberikan berbagai layanan kepada penayang, termasuk: Menyiapkan dan mengelola akun Google Ad Manager 360, menjual dan menayangkan iklan, memberikan dukungan dan pelatihan, serta Pelajari Program Partner Publisher Bersertifikasi. Certified Publishing Partner Let's be partners. Display & Video 360 only supports non-guaranteed deals through Rubicon. Tinjau berbagai jenis Partner Publisher Tersertifikasi dan pelajari cara bekerja dengan partner untuk memonetisasi konten Anda. How do I upgrade a Snippet View book into the Partner Program? If you're not a Google Books partner and want us to avoid your books, you'll need to provide us with a small amount of information about yourself as well as a list of the books you don't want in Google Books. Publish your books on Google Play and reach a new audience with the Google Books Partner Center. If none of the options mention 'publishing to' or 'enabling' for Google Play, your book is already published and you can just save instead. so we can keep offering our small business partners almost free Click Publish to Google Play and Google Books. Google News doesn't host any publisher In addition to Google partner inventory, deal information is automatically synced to Display & Video 360 inventory from the Rubicon exchange. 0 Updates 0 Recommended Answers 0 Replies 0 Upvotes Google News Publisher Center isn't an authoring or a content management system (CMS). Learn more . They’ll help with everything from growing your ad revenue to strategising In supported countries, you can sell digital editions of your books on Google Play and earn revenue whenever users purchase your ebooks and audiobooks from the Play Store. 1 of 2. Offer a preview of your book on Google Publisher programme policies for Google Play Books; 5 of 9. If you have an ISBN or EAN, enter the ISBN or EAN in the box. The Partner Centre offers a number of features: Control over your books' bibliographic information Our systems continually monitor the performance of PG buyers. Below, we’ll look at 10 of the best Google AdX publisher partners with a track record of delivering outstanding results for publishers. Publishers looking to join the MCM About the Google Partner badge formats. Log in to your Google Ads manager account. Certified Publishing Partners are part of an exclusive community of trusted third-party experts who offer innovative solutions and services utilizing the latest Google products. Certified Publishing Partner If you’re a publisher using Google Ad Manager and you’re looking for support bringing your business to the next level, consider working with a Google Certified Publishing Partner. This means that while no action is required from ad buyers, advertisers and agencies can be confident their ads Just like its predecessor, the MCM program tool creates a relationship between two parties—a Google Certified Publishing Partner (the parent publisher), and the child publisher. Publishers must also comply with applicable sanctions and export regulations, which includes OFAC sanctions, and agree to not cause Google to violate The partners do so through the Google MCM program, a special program created by Google to help publishers who aren’t eligible for AdX on their own access the premium marketplace. story. About Google Books • Overview • Blog • User Stories • General Help Partner Program • For Publishers & Authors • Join Now • Partner Help Library Project • Overview • Library A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. Offer a preview of your book on Google. Google Partners use their Google Ads expertise to help you stand out, maximize campaign success, and drive client growth. How Certified Partners can help. They’ll help with everything from growing your ad revenue to strategizing across many areas including setup, optimization, and maintenance. Skip to main content. Languages Google publisher products support; Publisher Options. Skip to content. Our Partnership team will review your application and may contact you to better understand your business and start a pilot as a first step before joining the program. Your ads can appear on partners' websites, mobile phone apps, and other placements that you choose or that relate to your ads. Google Play Books Partner Center allows you to publish and sell your books on Google Play. Compare the different types of partners, such as Premier, 360, and Specialist, and their benefits and requirements. Start your search for the right partners today. They’ll help with everything from growing your ad revenue to strategising across many areas including setup, optimisation and maintenance. GPT serves as a way for The Google Play Books Partner Centre is where authors and publishers can submit their books to Google. The Publisher Consent Form authorizes Service Providers to send content on the publisher's behalf. If you've already published this book, the tab will be called "Summary. As a part of Recognition and Rewards, Partners and Premier Partners have access to the Google Partner badge and the Premier Partner badge, respectively. Click the Admin icon , then click the Partner Official Books Partner Programme Help Center where you can find tips and tutorials on using Books Partner Programme and other answers to frequently asked questions. View rate: Definition; 191 of 192. Our extensive list of partners will help you maximise your revenue. Readers can search for and preview these books on Google Books and buy the eBook on Google Play in a growing number of countries. Partner ini memiliki pengetahuan luas tentang solusi penayang kami. Google Ad Manager 360 platform partners receive 100% of the child publisher earnings, as part of the platform partners model. Each provides diffe Our Certified Publishing Partners offer solutions across Ad Manager, AdSense, and AdMob. Tidak hanya lulus ujian sertifikasi produk Google, partner juga memiliki rekam jejak yang baik dalam membantu penayang seperti Anda meraih kesuksesan. Publisher- and buyer- Your guide to Google Ads 8 steps to prepare your campaign for success Choose the right campaign type Determine your advertising goals How Google Ads can work for your industry Google Ads specs: ad formats, sizes, and best practices More advertising tools Google Ads basics Google Ads privacy Glossary When you submit your books through the Play Books Partner Centre, you can: Sell your book through the Play Store and offer a preview on Google Books. Clear search Requests are sent to the Ad Manager server using Google Publisher Tags, the Google Mobile Ads SDK, or the IMA SDK. Welcome to the Google Publisher Center Help Community. These brands trust Ezoic as an expert to help their publishers and partners. When you create a section in Publisher Center, it shouldn't interfere with your site’s search engine rank. Channel partners help publishers navigate some of these complexities and work hand in hand with Google to support the ecosystem. About Play Books Affiliates. " A Google Certified Publishing Partner is a company that we’ve reviewed and have proven to be experts using Google products and also provide publishers with innovative solutions and services. The Google Partners program performs additional reviews on company information in the directory, such as malware, profanity, and trademark checks, to offer an optimal experience for users. Offer a preview of your book on Google Beginning January 16th, 2024, Google Ads will no longer bid on this EEA or UK Google publisher partner web and app personalized ads inventory sources that do not comply with the IAB’s TCF requirement using a Google certified CMP. Appeal a decision about your book or This help content & information General Help Center experience. With Setupad’s recent advancement to GCPP, we thought it would be useful for publishers to learn the key characteristics and benefits of working with one. Want to be a Google Certified Publishing Partner? If you work for a company representing publishers and want to help clients get the most from Google publishing products, apply to join Learn how to find and work with a partner to monetize your content using Google products and services. Ad Manager hosts a unified auction to determine the highest eligible Most Google publishing partners have a team that specializes in Google's programmatic advertising platforms, such as Google Ad Manager (GAM), Google AdMob, and Google AdX. Congratulations! Note that there are two key roles in Google MCM–parent publisher and child publisher. Publisher content policies for Google Play Books. Search quality; Google Partners Rewards quarterly challenges can help inspire and motivate teams to build on their expertise — and drive success for your company and clients. They partner with premium open-web publishers to facilitate publisher revenue from the world's forefront holding companies, brands, and advertisers. How the Google Books Preview Programme works. The Google Publisher Tag (GPT) is a new ad tag in DoubleClick for Publishers that offers various benefits and features. They can provide publishers with a variety of services, including: Setting up and managing Google Ad Manager 360 accounts, selling and delivering ads, providing support and training, and helping publishers to optimize their revenue. Small publishers not well-versed with using GAM 360 would do well to partner with an Celebrate your story on Google for Publishers. Publishers create the content, games, tools, and videos we all enjoy. When System1 acquired MapQuest in 2019, the navigation site needed a new direction. Badge Partner Publisher Bersertifikasi memberi tahu bahwa Anda bekerja sama dengan seseorang yang telah dipilih secara saksama oleh Google. Under this program, a Child publisher (who needs AdX access) can use the account of a larger Ad Exchange publisher (also known as a Parent publisher or SPM partner) to access Google AdX and expose their ad Official Books Partner Program Help Center where you can find tips and tutorials on using Books Partner Program and other answers to frequently asked questions. They are committed to maintaining a healthy ads ecosystem and have the Certified If you work for a company representing publishers and want to help clients get the most from Google publishing products, apply to join our partner program. Certified Publishing Partner ‑ohjelmassa pääset tekemään yhteistyötä alan johtavien yritysten kanssa. Promote your books for free on Google Reach a new audience of book buyers with Google Books. Partners who've earned either badge can add it to their website, other online properties and marketing materials to show that Google recognises their company as having achieved Partner or Premier Partner status. These partners have expert knowledge of our publisher solutions. Why Did the Google MCM Program Replace Google SPM? Learn which Google publisher solution is right for your websites or appsGoogle Ad Manager, AdSense, and AdMob are powerful products that help you sell ads on your site or app. The Certified Publishing Partners badge lets you know that you’re working with someone who has been carefully vetted by Google. A Google Certified Publishing Partner is a company that we’ve reviewed and are proven experts in using Google products, such as Google Ad Manager. They work closely with you to develop strategies Ask your admin which publisher your Google Account is for. Get more out of your ad budget. The Czech specialty literature publishing house, Grada, has been a Google Books publisher partner for three years. We can work together to create the best user experience and monetize publisher content. They can provide publishers with a variety of services, including: Setting up and managing Google Ad Manager 360 accounts, selling and delivering ads, providing support and training, and helping A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. Overview Find a Partner Become a Partner Bekerja dengan yang terbaik di industri melalui Partner Publisher Bersertifikasi kami. Been managed by a Channel Partner Manager for 1 year. Search quality;. Read More A quick Google search helped Austin find Freestar, a Google Certified Publishing Partner located near the Brickseek headquarters. Note: For some books, the button may have a different label, such as 'Enable for Google Books' or 'Activate and enable for Google Play'. Information for publishers and partners of Campaign Manager 360 users. If Ad Exchange is the premium version of AdSense, GPT is the rich uncle of Google Ad Manager. To explore the effect of Google Books specifically, Cambridge Bekerja dengan yang terbaik di industri melalui Partner Publisher Bersertifikasi kami. 2024 by Jaffer Zaidi, Google VP of Global News Partnerships. Publisher Content Policies for Google Play Books. Overview Find a Partner Work with a Partner Success Stories Find a Partner Certified Publishing Partner A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. A Google Ad Manager 360 Platform Partner is a company that has been authorized by Google to sell and support Google Ad Manager 360 to publishers. If you haven’t tried using it yet, you’re probably missing out. Appeal a decision about your book or account. Video publisher; 190 of 192. Partner Publisher Bersertifikasi. Partner with a trusted expert to grow your ad revenue and optimize your digital content. Publisher Portal; 2 of 2. Before Open Bidding can begin, there are a few tasks for both demand partners and publishers to complete. In addition to your Channel Partner resources, you’ll also receive Google’s Certified Publishing Partner program is an accreditation for consultants and service providers who have built their own businesses around helping publishers succeed with Google AdSense and Google Ad Manager. Ezoic is the best Google AdX publisher partner specializing in AI-powered ad optimization solutions. Note that we check for correct website URL formatting and require a website URL to have a HTTP or HTTPS prefix. Unless you specify otherwise, we'll use your Official Books Partner Program Help Center where you can find tips and tutorials on using Books Partner Program and other answers to frequently asked questions. As a partner, you’ll be introduced to new clients by Google with access to benefits that will help you manage your growing customer base. Please ask your client/publisher to sign the form here: https Work with the best in the industry with our Certified Publishing Partners. Zdeněk Jaroš, head of the marketing department, reports that since partnering with Google Books, Grada has seen a significant increase in site traffic. How to download your Google Partners badge assets. Google MCM (Multiple Customer Management) program is a tool within Google Ad Manager 360 that allows publishers to access Google ADX through a third-party Google partner. Brickseek joined the Freestar publisher family in April 2018. In 2016, Publift proudly became a Google Certified Publishing Partner (GCPP) — a certification awarded to companies with a proven record of helping publishers succeed. . Today I’m proud to announce Google is building on our long-term support with an initial $1 billion investment in partnerships with news publishers and the future of news. Search. While you view a book's details, click the Publish tab and click Ready to Publish. Each publisher and demand partner must have an established contractual relationship with one another. That’s why publishers use monetization companies to handle their ad sales. Parent publishers receive full payment for Google monetization. Not only have they passed Google’s product certification exams, but they’ve also established a successful track record of helping publishers like you succeed. About Stories. This certification speaks to our dedication to ad tech excellence, empowering publishers with solutions that maximize revenue and align with Google’s standards. Not only have they passed Google’s product certification exams, but they’ve also established a successful track record of helping publishers such as you succeed. The parent publishers can handle and manage ad inventories of multiple child publishers on Google’s Ad Manager 360. Publishers likely wouldn’t get early access to these programs, but if they’re working with us, they can get all the benefits of the latest from Google before their competitors do. News News Showcase is launching in Estonia, Latvia and Lithuania. If you work for a company representing publishers and want to help clients get the most from Google publishing products, apply to join our partner program. When you submit your books through the Play Books Partner Centre, you can: Sell your book through the Play Store and offer a preview on Google Books. " "Since joining Google Books, our backlist sales have increased across all channels, due to many positive factors" says Shemilt. Overview Find a Partner Work with a Partner Partner with a trusted expert. Official Books Partner Programme Help Center where you can find tips and tutorials on using Books Partner Programme and other answers to frequently asked questions. Partner Platform Google Ad Manager 360 adalah perusahaan yang diotorisasi oleh Google untuk menjual dan mendukung Google Ad Manager 360 kepada penayang. ; Child publisher–refers to the user (most likely the publisher) that gets access to AdX through the parent publisher. jrr zbo ubzpm vjntu qkzv bmm bqvi ewpjsg oxjh xbuf