Separating Privacy, Secrecy, and Anonymity

This is an older story but given the advertising value many place on the data Facebook has it's easy to forget that social networks are only a proxy for what you might like. The companies that know where you actually spend your money are in many ways more valuable.

http://www.nytimes.com/2009/01/31/your-money/credit-and-debit-cards/31money.html

-- JohnStewart - 08 Nov 2012