Social is the most effective marketing channel followed by native and then email, according to a new report from Millward Brown Digital for MediaBrix. Fifty-one percent of marketers that responded to the survey said that social ads met their digital branding objectives, 46 percent said that native ads met those objectives and 36 percent replied that email helped achieve the goal. Lower on the list marketers credited paid search (23 percent), mobile Web (23 percent), "emotionally targeted" in-game (20 percent), mobile in-app (20 percent), programmatic (18 percent), regular in-game (14 percent), text messaging (12 percent), and ads purchased directly from websites and blogs (11 percent).