Speaking of Privacy and Traceability
For all those interested in the economics of privacy, I suggest you look at http://www.mozilla.org/en-US/collusion/demo/
This add-on for Firefox shows exactly how your information is propagated over the internet, without your knowledge. A truly mind boggling demonstration of the fact that:
If you're not paying for something, you're not the customer; you're the product being sold.
- Andrew Lewis