The document lists over 40 social bookmarking, social media, and social news aggregation websites including popular sites like Twitter, Pinterest, Reddit, Digg, and Delicious as well as lesser known sites for bookmarking, submitting, and sharing web content socially online.

1. https://twitter.com/ http://thesocialbookmarking.com/ http://subbmitt.com/
https://pinterest.com/ http://articlebookmarker.com/ http://ipopu.com/
http://reddit.com/ http://socialwebsubmitter.com/ http://affiliated-business.com/
http://stumbleupon.com/ http://thebookmarking.com/ http://gruks.com/
http://digg.com/ http://designbump.com/ http://spotonce.com/
http://scoop.it/ http://healthbubble.com/ http://linksprocket.com/
https://delicious.com/ http://newsmeback.com/ http://gaddiposh.com/
http://friendfeed.com/ http://blinklist.com/ http://onlinesocialbookmarking.com/
http://slashdot.org/ http://mysitevote.com/ http://openfaves.com/
https://www.diigo.com/ http://cloudytags.com/ http://bookmarkitnow.com/
http://fark.com/ http://blogmarks.net/ http://bookmark4seo.com/
http://newsvine.com/ http://dzone.com/ http://wedigg.co.uk/
http://chime.in/ http://topsocial.info/ http://keplaza.com/
http://tweetmeme.com/ http://social-bookmarking.net/ http://votetags.info
http://diigo.com/ http://givealink.org/main/show/ http://folkd.com/
http://bumpzee.com/ http://designfloat.com/ http://newsgarbage.com/
http://kwoff.com/ http://oyax.com/ http://topinews.com/
http://scoopit.co.nz/ http://otavo.com/ http://dnhour.com/
http://url.org/ http://thinmarker.com/ http://pfbuzz.com/
http://dropjack.com/ http://business-planet.net/ http://bookmarkgroups.com/
http://activebookmark