Collaborative recommendation
Here is a list of social sites where you are recommended links or there is collaborative filtering, this is a limited list:
Co-browse and chat
medium, Itzle
Webpage chat/file sharing
dai.sy, Gabbly, Zpeech, Pladeo (formerly InCircles)
Bookmarks
del.icio.us, bluedot
Memedigging
digg
Surf and be recommended (based on clicks and social circle)
stumbleupon, streakr, heeii, OthersOnline (also chat), Chatsum (also chat and annotation), Yoono
Attention matching
Reko, slifeshare, clutzr
Search results
CoReap
…what I like about this is that I am recommended social hits form CoReap when I search at Google, the recommendation is given to me where I live and that’s Google.
- perhaps even Trexy, JetEye and Zingboxx
Authority
Technorati, Google PageRank
Webpage review/annotation
blogrovr, stickis, diigo, Trailfire
RSS Reader
FeedEachOther, HypeIt, Genwi
RSS alerts
particls
Link Sharing
ShareThis, Bzzster, PluralList, The Coop
Personal Memetracker
Megite (recommends links)
Group Lifestream
Mugshot and select others
Social Lists
Buzka
Podcast/Video
Scouta
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