Microtargeting

Even though microtargeting goes back to the 1990s, most give Karl Rove the credit for starting the practice at the national level, it is the practice of looking at our data and deciding what to sell politically to us.  It used (and that is a very relative term) to be just what you buy at a store (ever wonder what Giant and Safeway does with your information from your discount card) and now has online groups like Google or Facebook tailoring what you see ad wise.  Here is an article from today's NYTimes and here is a more definitive one from an Arizona publication on the 12th of Jan.