Google should be a little nervous. According to a recent report from Hitwise in March 2011, Microsoft dominated 30% if of all searches, 14.32% from Bing.com and 15.69% from Yahoo Search. Below compares Google and Bing’s market share in the last 6 months:

Source: Mashable

Below is a forecast if the trend continues:

Source: Mashable

With all the changes Google has made in the past 12 months, Google’s loss of traffic could have a lot to do with the fact that users may be turning to the other search engines that they see are more stable with less changes. Have you found the instability in Google’s results a reason for using a different search engine? One thing for sure is that Google is not standing back, as seen with their recent introduction of ‘plus 1’. A feature that could be seen as a direct bid to counteract Bing’s Facebook Like integration in search results.