**FILE** The Google logo is seen at the company's headquarters in Mountain View, Calif. (Associated Press)
** FILE ** In this Oct. 17, 2012, file photo, a man raises his hand at the Google offices. Google's stock price topped $800 for the first time Tuesday, Feb. 20, 2013, amid renewed confidence in the company's ability to reap steadily higher profits from its dominance of Internet search and prominence in the increasingly important mobile device market. (AP Photo/Mark Lennihan)
**FILE** Vic Gundotra, Google senior vice president of engineering, talks June 27, 2012, about Google Plus at the Google I/O conference in San Francisco. (Associated Press)
Google co-founder Sergey Brin wears Google Glass glasses at an announcement for the Breakthrough Prize in Life Sciences at Genentech Hall on the University of California at San Francisco's Mission Bay campus in San Francisco on Wednesday, Feb. 20, 2013. (Associated Press)
** FILE ** The Google logo is displayed in the company's New York office in December 2010. (AP Photo/Mark Lennihan)
**FILE** The Google logo is seen at the company's headquarters in Mountain View, Calif. (Associated Press)
The Google logo is displayed in the company's New York office in December 2010. (AP Photo/Mark Lennihan)
Google co-founder Sergey Brin wears Google Glass glasses at an announcement for the Breakthrough Prize in Life Sciences at Genentech Hall on UCSF’s Mission Bay campus in San Francisco on Feb. 20, 2013. (Associated Press)
Google co-founder Sergey Brin wears Google Glass glasses at an announcement for the Breakthrough Prize in Life Sciences at Genentech Hall on the University of California at San Francisco's Mission Bay campus in San Francisco on Wednesday, Feb. 20, 2013. (Associated Press)
