Microsoft acquired Powerset.

http://blogs.msdn.com/livesearch/archive/2008/07/01/powerset-joins-live-search.aspx

Destined to fail, from day one.

=))

So this means Microsoft will have a great tool for searching Wikipedia.

Colin:
It's just a demo that showcases the technology, not a full search engine.

Ionut:
I know I was just trying to be funny.