Update July 11, 2009 Auditioning Bing
How is Bing doing in the market? After an initial surge to a 16% share of daily searches, Bing settled down to a 10% share through June. On July 8,9 Bing usage surged again to pass Yahoo Search and capture a 12.9% share. These statistics come from StatCounter GlobalStats. Analysis posted on TechCrunch suggests that Bing's latest bump-up in search traffic was largely captured from Google. Interesting.
TechCrunch Article: http://www.techcrunch.com/2009/07/10/bing-leapfrogs-yahoo-search-again/
The outlook? It seems that Google is going to be solidly in first place at ~ 75% search traffic share for the foreseeable future.