Official Google Blog: This week in search 1/31/10

This is part of a regular series of posts on search experience updates that runs weekly. Look for the label This week in search and subscribe to the series. - Ed. From Google Squared enhancements to search becoming more social, ...<br />Extracted from: <a href='http://googleblog.blogspot.com/2010/01/this-week-in-search-13110.html'>http://googleblog.blogspot.com/2010/01/this-week-in-search-13110.html</a>