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, this week brought a slew of exciting and (we hope) useful search feature releases:

Social Search
Sometimes, there might be relevant content on the web from people in your social circle. For example, learning what your friend thinks about the latest gadget or exotic travel location (e.g. in his or her blog) can help enhance your search experience. Until…