Much like many of the other commenters in this thread we had our account banned and were never told why. We were not doing anything against the terms of service

Much like many of the other commenters in this thread we had our account banned and were never told why. We were not doing anything against the terms of service (and they never accused us of doing so). We didn't have "invalid traffic". We had millions of users and an account rep at Google. Details: https://news.ycombinator.com/item?id=3803568 https://news.ycombinator.com/item?id=3803568 Since then we've transitioned completely away from ad based revenue which in my opinion is much better anyway because it aligns our interests better with our users (they are now our customers not our product).