Top 30 Web 2.0 Sites with PR
well, I'm not posting something extra ordinary, but here is the list of top web 2.0 sites, all can give you multiple backlinks.
wikispaces.com 7
squidoo.com 7
hubpages.com 7
wordpress.com 7
tripod.com 7
webs.com 8
livejournal.com 8
blog.com 6
blogspot.com/ 6
jimdo.com 7
gather.com 6
zoho.com 6
blog.friendster.com 6
bravejournal.com 6
sosblog.com 5
onsugar.com/ 5
blurty.com 5
insanejournal.com 5
soulcast.com 4
inube.com 4
experienceproject.com 5
typepad.com 5
wikidot.com 7
thoughts.com 7
multiply.com 7
weebly.com 8
shutterfly.com 8
pulse.yahoo.com 8
advogato.org 6
wikia.com 7
wix.com 6