LOS ANGELES —  The revelations of vast personal data collection by the U.S. government  has had a big impact on consumer’s perception  of the advertising business, says John Montgomery, Chief Operating Officer for GroupM Activation and the 4A’s privacy chief, in this interview with Beet.TV

Last week, he and other advertising and media leaders met at the White House with Obama advisor John Podesta and his committee about the issue and solutions. In this interview, he discusses the meeting   He also speaks about efforts around do not track in the aftermath of the failure to reach an agreement with the W3C.