MySpace is for hep kids, and FaceBook though started as a upstart college network is now turning into a fun place.

OF the 23,160 FaceBook apps, fun based apps dominate the usage:

Top 5 companies with most popular FaceBook app are Slide, followed by RockYou, SGN (which recently moved from #20 to #3), Zynga, Chainn (get the list here).

Is FaceBook becoming the eBay for developers?

Will Orkut apps/OpenSocial get the same developer love (since I don’t think Google allows running ads on Orkut and as of this date, OpenSocial is damn buggy and slow)?

What do you think?