Link Mania:

http://www.magicjack.com/

http://mashable.com/

http://www.ffwd.com/

http://friendfeed.com/

http://www.essex.ac.uk/chimera/content/pubs/wps/CWP-2005-02-blogging-in-the-Knowledge-Society-MB.pdf

http://www.pingg.com/

http://pedrovillegas.net/modernity/

http://www.ted.com/

http://www.yodlee.com/

http://www.docstoc.com/

http://www.emurse.com/

http://www.jukeduke.com/

http://peoplejar.com/