Alphabet's Google earlier this year offered to sell its advertising marketplace AdX to allay EU competition concerns over its adtech practices but the proposal got short shrift from European publishers,

Regulators contend that Google built, acquired and maintains a monopoly over the technology that matches online publishers to advertisers.

Lawyers for the government have revealed damning Google correspondence and called witnesses who describe anti-competitive practices. Google, however, says ‘there is no monopoly power.’