Freedom to Tinker: New Email Spying Tool

http://www.freedom-to-tinker.com/archives/000607.html

A company called didtheyreadit.com has launched a new email-spying tool that is generating some controversy, and should generate more. The company claims that its product lets you invisibly track what happens to email messages you send: how many times they are read; when, where (net address and geographic location), and for how long they are read; how many times they are forwarded, and so on.

This article not only announces that this new scourge exists, the author analyzes how the thing works.