Google started testing ads in the Google app's Discover feed — then the Google Feed — around this time last year, with advertisements mixed in with non-sponsored content. The test wasn't popular; the proximity of the feed to many phones' home screens made the ads feel especially obtrusive. But it was apparently a hit with advertisers, as Google has announced that those ads will be the norm this year.
The bulk of feed ads will be part of two new advertisement categories Google is introducing called Discovery ads and Gallery ads.Read More
Google confirms ads in your Discover feed are imminent was written by the awesome team at Android Police.