- slashdot.org
- diigo.com
- jeqq.com
- zanatic.com
- favlog.com
- hursic.com
- yapod.com
- care2.com
- buzzfeed.com
- vodpod.com
- oneview.com
- humsurfer.com
- mawindo.com
- newsvine.com
- reddit.com
- delicious.com
- folkd.com
- fark.com
- wikio.com
- dzone.com
- blogcatalog.com
- blinklist.com
- bibsonomy.com
- designfloat.com
- bizsugar.com
- tagza.com
- squdoo.com
- sphinn.com
- citeulike.org
- kwoff.com
- weheartgossip.com
- humansthink.com
