The U.S. Department of Justice is proposing that Google sell two of its advertising products to restore competition in the ad tech space, according to a new filing. The proposal comes after a judge found Google guilty of “willfully acquiring and maintaining monopoly power” in the digital ad space last month.The DOJ’s filing notes that Google should divest its ad exchange product AdX, along with a “phased” sale of DoubleClick for Publishers, an ad server for website publishers. The department also wants Goog ...