recommend some useful app for Ipod touch

[chihiro]

hi

just got my first ipod touch 4g and was wondering if you could recommend me some useful applications (preferably free)

Thanks

 

[dtblaze]

for social (aim/facebook/twitter/foursquare) for games (angry birds/cut the rope/ anything that gameloft makes) for productivity (reeder, readdledocs) etc...