Today I delivered a keynote at Defrag 2010, one of the best and most interesting conferences I am lucky enough to be able to attend (their tagline is “accelerating the a-ha moment”). I was pretty anxious about this presentation because it was in the “big room”, in front of all attendees, and they’re a smart, demanding crowd.

This year I decided to talk about privacy, and the fact that we think about it all wrong. My presentation was titled, “Privacy is a Commodity, Not a Place”. The basic premise is this: privacy laws in the U.S. are based on the 4th Amendment, which guarantees “The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures”. Note the language: it’s all about physical space. The Internet has dramatically changed that, and made the physical space analogy quite inaccurate. Finally, I examined what the real value of your private data is in the real world, and who wants it most.

Here’s the deck. Let me know what you think about your privacy and what it means online: