He knows who your mother is - and who she voted for in the last election.  The Obama campaign is mining through the digital world to find out information about you in unprecedented ways, in an effort to win the White House in November.

In a Chicago office, more than 150 people are mining, aggregating, and sorting data on all aspects of your life. It's much more than name and party affiliation, it's your personal details, including everything you post to your social networks. Using this data, Obama is able to classify you and eventually target you with a very precise message aimed at your personal sensitivities.

Invasion of privacy?  Innovative marketing tools?  Whatever you think about the practice, it isn't going away.  As our world continues to live and work online, we'll be faced with even more of these questions in the future.

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