From now on, if you are a Facebook user with an iTunes account, you can recommend songs and other media from the App Store by searching for a specific title or letting other Facebook users decide. As for the second feature, you can present your friends with any of the four iTunes gift cards available.
Medicalization is a social process through which a previously normal human condition (behavioral, physiological or emotional) becomes a medical problem in need of treatment under the jurisdiction of medical professionals.
Legalization is a process often applied to what are regarded, by those working towards legalization, as victimless crimes, of which one example is the consumption of illegal drugs (see drug legalization).