You know how Facebook looks at your posts and profile to determine what relevant ads to display?  I often see ads for cat-related products, which I understand since I post about my cats and read others' posts about cats.  

But... recently it was giving me ads for online senior dating and weight loss programs.  So what, Facebook is telling me I'm old, single and fat?  I'm not saying they are wrong, but that's just kind of depressing.  A while back there was an ad for assault weapon ammunition.  Huh?