Data mining is the practice engaged in by unscrupulous marketers who are looking to sell your information to eager multi level marketing newbies and others who would make sure to inundate you with advertisements.

Online profiles from the major social networking sites are the premier source for the data being mined, and considering that part and parcel of these profiles is a clear spelling out of likes as well as dislikes, philosophies, and other marketable data, it is not at all surprising that marketers see this source as fair game.