I've had similar issues with Facebook. After it became clear they were using my "likes" and profile information (favorite movies, books, tv shows, etC) to serve

I've had similar issues with Facebook. After it became clear they were using my "likes" and profile information (favorite movies, books, tv shows, etC) to serve me ads I removed every single "like" I had ever done and all information from my profile. Yet I still get targeted adds based on that information.