Facebook’s Love Affair With App Developers

Socialcam was the fastest growing Facebook (NASDAQ:FB) application by monthly active users this week. The mobile social video app, which launched on March 7, 2011, allows users to capture and share video online and on mobile, as well as via Facebook, Twitter, and other social networks.

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Traffic tracking service AppData provided the information, which also showed that a variety of quiz apps, video website integrations, games, and Timeline apps from companies like Spotify have been growing in popularity among Facebook users.

Monthly average users, or MAU, increased by 2.7 million for SocialCam last week, a 5 percent gain for the app. But in a close second was 21 Questions, which reached 2.5 million MAU after notching a 32 percent gain in just one week. 21 Questions is a quiz app that asks users questions about their friends, generating feed stories as they are answered. Other quiz apps like Truth Game and Between You and Me also grew in popularity

In third was MyCalendar – Birthdays, which helps track, well, birthdays. Rounding out the top 5 were Chill and 60Photos, which allows users to rate friends’ photos. Timeline apps like Yahoo! (NASDAQ:YHOO) Social Bar, Pinterest, and Spotify were also popular. Games were led by Bubble Blitz this week.

Facebook allows developers to build apps that work with the website in a symbiosis that has developers benefiting from Facebook’s massive audience, while Facebook benefits from the increase time users spend on its site, ever in competition with Google (NASDAQ:GOOG) to increase daily minutes. Both Google and Facebook rely heavily on advertising revenue.

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