In this Feb. 9, 2011 photo, the logo of ITA Software is displayed at the company's office in Cambridge, Mass. Government officials are letting Google proceed with its $700 million purchase of airline fare tracker ITA Software. The deal will establish the Internet search giant as a key player in the online travel market.(AP Photo/Charles Krupa)

Photo by: Charles Krupa

In this Feb. 9, 2011 photo, the logo of ITA Software is displayed at the company's office in Cambridge, Mass. Government officials are letting Google proceed with its $700 million purchase of airline fare tracker ITA Software. The deal will establish the Internet search giant as a key player in the online travel market.(AP Photo/Charles Krupa)