I hadn't heard about this... It's all part of Bill Gate's Master Plan for global domination.
How does their search engine parameters differ from Google's? Are they looking for different things on sites? If they are, I'd strive to make pages work well for both.
Google is the big boy, and old habits are hard to break. Personally, I use Google for everything and probably wouldn't switch.
Diane
The business writer who helps people grow their small business
http://www.BouncePublishing.com