Facebook likes have been showing up on advertisements for years. The fact that they're in the news feed now is all that's new. I've mistaken a few of these ads

Facebook likes have been showing up on advertisements for years. The fact that they're in the news feed now is all that's new. I've mistaken a few of these ads for new posts from friends as well, but it became immediately apparent after my friend like Samsung USA for the 2nd time that it was simply an advertisement.