Back in August, we noted that most of the very big Facebook apps seem to be owned by Slide or RockYou!. At that point Slide had the most popular Facebook app (in terms of users), with Top Friends. However now RockYou!'s Super Wall app has overtaken Slide's similar FunWall app for the #1 spot, with 3.1 million daily active users. RockYou! sent out a gleeful press release this evening about this news, with CEO Lance Tokuda calling it "a significant milestone for RockYou."

RockYou also claims leadership over "all other application developers, including Slide" on the following apps:
As for slideshows, the app that started it all for both RockYou and Slide, RockYou says it is #1 in Facebook slideshows "with over 5x the engagement versus its nearest competition: 42,294 to 7,315".
While tonight RockYou has engaged in some fun one-ups-manship over its rival Slide, social networking apps are potentially big business - why else would Sequoia Capital have invested in RockYou? The company claims to have "over 35 million users, serving over 180 million widget views per day" and it makes apps for Facebook, MySpace, Bebo, hi5, and others.
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I wonder how much of this is due to cross-promotional advertising that I consider spam. I recently received e-mails from X Me saying that a friend had "messaged" me, and I just had to click an included link to read the message. But the message actually came from SuperWall, and that e-mail link would send me to a page requesting to install the SuperWall application. Nothing in the e-mail message indicated it had anything to do with SuperWall.
I've reported this obviously deceptive practice to Facebook as application spam, and I hope they do something about it.
Posted by: Joey Tyson | December 3, 2007 10:19 AM