If you’re interested in visualizing how you’re being tracked, check out the Collusion Chrome extension here – http://goo.gl/6Dzxt.
“The study found that Facebook likes were linked to sexual orientation, gender, age, ethnicity, IQ, religion, politics and cigarette, drug, or alcohol use. The likes also mapped to relationship status, number of Facebook friends, as well as half a dozen different personality traits. Researchers could correctly distinguish between users … as black or white 95 per cent of the time. That success rate dropped to a still impressive 88 per cent when trying to guess whether a male user was homosexual, and to 85 per cent when telling Democrats from Republicans.”