Goolge Analytics (ga.js, urchin.js) will now recognize Bing as search engine, before this bing was being shown as referral site.
As these JavaScript files have 7 days cache so it will take around 7 days (around 15th June) to reflect the change.
According to Washington post bing took a lead from yahoo in search engine war. It says
The company’s analysis for Thursday finds that in the U.S. Bing overtook Yahoo to take second place on 16.28%, with Yahoo Search currently at 10.22%. For the sake of comparison: Google’s U.S. market share is pegged at 71.47%, and its worldwide share at a whopping 87.62% (vs. 5.62% for Bing and 5.13% for Yahoo).
see full news here
Many people say that this lead is temporary as lot of marketing is taking place for bing, and yahoo will take back its position soon.
