Google expert witness tells antitrust trial that company gets just 10% of the U.S. digital ad market share
Federal regulators who say Google holds an illegal monopoly over the technology that matches online advertisers to publishers are vastly underestimating the competition, he says.
Tomas Kauer - News Moderator 
Federal regulators who say Google holds an illegal monopoly over the technology that matches online advertisers to publishers are vastly underestimating the competition, he says.
