14.5% of all online time is spent on MSN Live Messenger - 14.5% of 27 billion total hours. The next biggest service is Facebook at at 5.2% with YouTube coming in third at 4.4% (Google's biggest slice of the online pie.) Facebook climbs 200% in usage since the same time last year.
Microsoft has paid $240m (£117m) for a 1.6% stake in Facebook that values the site at $15bn (£7.3bn). Facebook spurned an offer from Google which was also keen to invest the site.