Top 10 Companies

Facebook
Launched in February 2004, 
Founded by Mark Zuckerberg 
Annual revenue 3.71 billion
Worth $78 Billion

Twitter
March 2006
Jack Dorsey, 
Annual revenue US$ 140 million (2010) -> Expected to grow 86.3% to US$259.9 million in 2012.
Worth $8 billion

eBay 
$25 Billion
September 3, 1995
Pierre Omidyar
Annual Revenue $ 11.651 billion (2011)

Google
Founded by Larry Page and Sergey Brin
September 4, 1998
Annual revenue: US$ 37.905 billion (2011)
Worth $200 Billion

Amazon 
Worth $49 Billion 
July 1994 
Jeff Bezos
Annual Revenue$ 48.07 billion (2011)

MySpace
Owned by Specific Media LLC and pop star Justin Timberlake
Launched in August 2003
Annual Revenue $109 million (2011)
Estimated to be worth $50–200 million

BBC
Founded 1 January 1927
John Reith
Annual Revenue £4.741 billion

Yahoo 
Worth $19 Billion
March 1, 1995
Jerry Yang, David Filo
Annual Revenue 4.98 billion (2011)

Microsoft
Founded by Bill Gates and Paul Allen
April 4, 1975
Annual Revenue US$ 73.72 billion
Worth $230 Billion

Groupon
Estimated Value $10 billion
November 2008
Founded by The Point, Inc.
Annual Revenue $ 1.610 billion (2011)