Working in the advertising business, I’m privy to a lot of online “services” which are dedicated to tracking your every move on the Internet. Their hope is to figure out who you are, learn all about your interests and activities, tie all that information to your public records and finally sell a frighteningly detailed and accurate personal profile to anyone with literally $39. So, as a public service, here are a few things you can do to thwart these nosy bastards.