It's probably gonna put a bunch of mobile game studios out of business. It was a tough business anyway, but the major advantage that they had was the ability to

It's probably gonna put a bunch of mobile game studios out of business. It was a tough business anyway, but the major advantage that they had was the ability to track at a device level and use that to be more efficient with their marketing spend. More generally, it's gonna make FB and GOOG less useful for small, niche businesses. The big players will be fine, but lots of smaller businesses are likely to do less well. Maybe the big players will do something to make cohorted ads work, but it will be less efficient and will lead to lots of small businesses having much more difficulty getting their products in front of the right people.