Originally Posted by RawAlex

With the install base of Vista growing all the time, and with live being a somewhat integral part of the vista experience, the number of searches generated might end up being very high.

However, google has it's toolbar, it's default position on firefox (which is pays firefox very well for) and it is pretty much the default people think of. Google is the big dog in the yard, but even big dogs get tired and lay down after a while, especially if their search results get poor (yes, google in very much packed with spam now).