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This is a historic moment for social games. “FarmVille,” the hit Facebook game among all hit Facebook games, is no longer the top app on the social network. For the first time since claiming the top spot more than a year ago in August 2009, FarmVille has fallen to second place in terms of monthly active users on Facebook, according to AppData.com. Coming in at no. 1 now is the app “Phrases.”

A Facebook engineer said that some applications were passing along personal data in a violation of policy.

Here's something different from the world of online dating. "Wings," a Facebook app from a company called Triangulate, pulls in data from your account and analyzes and uses what it finds to populate your dating profile page. You can also opt to let Wings access data from your other social and media accounts on Netflix, Twitter, Pandora or Foursquare. It was built around the concept that actions speak louder than words.

Developed and powered by Vitrue, the new page puts the App Store inside Facebook — making it easy to search for apps, share them with friends, find out which apps are hot right now and which are deemed “essential” by the iTunes editors.

Investors are pumping more and more money into web services that are heavily reliant on Facebook. So how big is the economy around the world's most popular social network?

While some of us might be willing to pay to make Facebook games like FarmVille and Mafia Wars go away, it appears that Wall Street has other ideas.

Social gaming startup Zynga is seeing some impressive traction. It now boats 129 million monthly active users across its portfolio of more than 30 games, according to both Inside Facebook's AppData(see chart) and Developer Analytics.