From the article: "Changes in what's displayed in search results announced Tuesday by Google has one prominent privacy advocate ready to file a complaint with the Federal Trade Commission (FTC). Marc Rotenberg, executive director of the Electronic Privacy Information Center, based in Washington, D.C., says his group is mulling filing a complaint with the FTC over Google's new Search Plus Your World feature… Under Search Plus, Google will include information from personal sources in your search results. For example, postings made to Google+ either by you or someone in one of your ‘circles’ will appear in your search results. Photos from Picasa, Google's photos service, will appear in searches, too." Read more
See Also
Los Angeles Times, Jan. 11, 2012
Search, Plus Your World.
Google Blog, Jan. 10, 2012