https://mashable.com/article/facebook-signal-ad-campaign/?europe=true «"You got this ad because you're a teacher, but more importantly you're a Leo (and single). This ad used your location to see you're in Moscow. You like to support sketch comedy, and this ad thinks you do drag," one of the ads said. According to Signal, the ad "would simply display some of the information collected about the viewer which the advertising platform uses."» [via Slashdot]