The most popular social bookmarking sites, listed alphabetically:
bibsonomy.org
blinklist.com
blogmarks.net
care2.com
clipmarks.com
delicious.com
designfloat.com
dezineidea.com
digg.com
diigo.com
dzone.com
fark.com
i-am-bored.com
kirtsy.com
linkfilter.net
linkinn.com
linkroll.com
linkswarm.com
metafilter.com
netvouz.com
newsvine.com
nowpublic.com
reddit.com
slashdot.org
sphinn.com
stumbleupon.com
thoof.com
tipd.com
unalog.com
ycombinator.com
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