Things are topsy-turvy over at Facebook.

First FarmVille — now expanding to CityVille — lost its moniker as the most popular app, unseated by Phrases, currently on top with 54.4 million monthly active users. Phrases is actually a ‘do-it-yourself quiz and trivia application,’ rather than a game, making FarmVille technically the most popular FB game, with 53.9 million monthly active users.

Phrases was suspended a month ago, then allowed by FB to resume; but within a week it stopped serving US players, and found itself losing ground.Continue reading...

Enamored with Facebook's ascendance and eager to work for Mark Zuckerberg? Watch the new recruitment video above (or work at Google for a FB counteroffer).

Want to find out the latest Facebook trends, and what Coca-Cola, FIFA, Tesco and others are up to on the social network? Click through.Continue reading...