What started in 2004 as a semi-private social networking site for students in Harvard seems to have become a major craze around the world.

Facebook now has 50 million users worldwide and is adding another 200,000 every day!Recognising its worth for 15 interesting reasons, Microsoft recently bought a 1.6 % share in Facebook for $ 240 million. That puts a value of $ 15 billion for a company which has been in existence only for 3.5 years.

BBC News has some illuminating perspectives on why Microsoft values Facebook so highly.

Oh, yeah. If you haven’t joined the millions yet, join Facebook here.