Facebook has been giving me ads for a quit smoking drug for a month or two. (Chantrix? Shows how well the ad worked. I remember there's a picture of a cold turk

Facebook has been giving me ads for a quit smoking drug for a month or two. (Chantrix? Shows how well the ad worked. I remember there's a picture of a cold turkey.) I don't smoke now, and I've never smoked regularly. Machine learning!