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.
"What we care about is what makes information inadequate." David Weinberger's keynote about the value of the implicit @ Defrag Con. He's describing the route to web 3.0: http://tinyurl.com/yw4ffj