September 2009
KnowEm UserName Check - Thwart Social Media Identity Theft, check Username Availability
by 2 othersKnowEm checks the availability of your brand name, user name or vanity URL on 120 popular Social Media websites. Didn't work for SkyRock
March 2009
Pipl - People Search
by 5 othersThe most comprehensive people search on the web Name Email Username Phone
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(2 marks)