Digital Marketing News: Google Ad Auction Changes, Instagram’s Chronological Likes, & 3 New Marketing Studies The post Digital Marketing News: Google Ad Auction Changes, Instagram’s Chronological Likes, & 3 New Marketing Studies appeared first on Online Marketing Blog – TopRank®. The post Digital Marketing News: Google Ad Auction Changes, Instagram’s Chronological Likes, & 3 New Marketing Studies appeared first on Online Marketing Blog – TopRank®.