Well, never forget the power of the incumbent. Even with the endless furor over the internet-darling Bing, the Google gorilla still eats 72% of the US search market pie.
You know that if Ask is the only engine gaining on Google, the rest of the market is not doing so well. Of course, eventually Bing and Yahoo will become one, and we will have a 72% engine, a 25% engine, and the tired rabble running behind.
Google even grew in November. And now with the launch of real time Google, can Bing keep up their supposed momentum?