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but, how do they measure "daily active users"?
today i added "iRead" app and added a few books. it "loads" on my profile page every time i open my profile page. does that count fo iRead? or only if i add another book?
i looked around but couldnt find any explanation of how FB is calculating stats...
The problem is still what Steve was asking--how they measure "use" is very important. It's defined in the developers group on Facebook for those who are interested, and it has interesting implications for how apps will be designed to game the metric (WGMGD--What Gets Measured Gets Done has been thrown around the developers board a lot recently).
Right now, DAU can still be gamed by growth; if I have 1,000 people adding my app everyday, those users count in the DAU. So as long as my app keeps growing (and everyone is still in growth mode), their DAU will be high relative to others. Separating out new user usage vs. established user usage will prob be the next step--that is where you will see a bigger difference between Zombies and iLike.
details here:
http://www.web-strategist.com/blog/2007/08/31/f...