Here is a small list of web2.0 sites for you. Some of them most of us know but there are a couple I had never heard of so I figured Id share them with you.
Code:
last.fm 8
livejournal.com 8
ohloh.net 8
current.com 6
dafont.com 6
jaman.com 6
kabissa.org 6
mubi.com 6
photopeach.com 6
tribe.net 6
tripit.com 6
audioboo.com 5
ostatic.com 5
skirt.com 5
artbreak.com 4
cellsea.com 4
hummaa.com 4
nonoba.com 4
veehd.com 4
youthministry.com 4
thoos.com 3