Google is, as R. Treska points out, much more than just a search engine. They have managed to build a conglomerate of diverse services, that is very nearly all-encompassing.
I understand what you're saying, William, and you're right...Google did the same thing. I just don't think that such tactics will do MS much good. They may get some portion of the market, and even keep it, if they stay on their toes, but I think the typical user will stick with Google.
Personally, I don't particularly like the Bing format. But to be fair, that may be because I've become so accustomed to Google's. For my part, as a user, I doubt I'll be changing my SE of preference.
Now, from an
SEO standpoint, it may end up being an entirely different matter, if Bing can deliver the sort of traffic I want.