I think it makes perfect sense for Google since Twitter has become such a big part of people's online lives.
<a href="http://www.marketingpilgrim.com/2009/03/googles-double-talk-practically-guarantees-it-will-acquire-twitter.html">Google’s Double-talk Practically Guarantees It Will Acquire Twitter</a>
So there you have it! Google will acquire Twitter!
I know, I know, Schmidt didn’t actually say that, but since when does Google ever clearly express its intentions? "No intention," "unlikely," and "no plans" are all standard issue for Google’s executives and time after time the search engine proves that it plays word-games with the media.