The linked page is part of the Google Social Search feature. It was launched in 2009. Information on the feature is available here: http://www.google.com/suppo

The linked page is part of the Google Social Search feature. It was launched in 2009. Information on the feature is available here: http://www.google.com/support/websearch/bin/answer.py?answer=165228 http://www.google.com/support/websearch/bin/answer.py?answer...