Struggling with the changing desktop market and lagging behind Google on search and internet apps, today Microsoft forked out $240m (£117m) for a 1.6% stake in Facebook today. That values the hugely popular social networking site at $15bn (£7.3bn). Also to note is that Facebook had previously turned down an investment offer from Google; who are developing rival network Orkut. After Google beat Microsoft to the massively successful YouTube, i reckon the boys back at Redmond will be out for a few beers tonight.
15 reasons Facebook may be worth $15bn: