The price of privacy

I love it when economists and their ilk reduce a complicated issue in life to a simple line and chart (that's what makes Freakonomics so popular). At the latest New York Tech Meetup, Drop.io founder Sam Lessin did just that with my favorite topic: privacy and publicness. In a rebuttal to Clay Shirky's Cognitive Surplus he said:

"Privacy was once free. Publicity was once ridiculously expensive.

"Now the opposite is true: You have to pay in a mix of cash, time, social capital, etc. if you want...