Articles: Tracing "anonymous" postings on the Internet

I found a series of three very informative and interesting articles on one of my favorite weblogs, Freedom to Tinker. The articles discuss how a plaintiff attorney might trace the origins of anonymous online postings, and give some insight into how third-party sites acquire and use data provided when someone visits certain websites and blogs.

Identifying John Doe: It might be easier than you think

What third parties know about John Doe

The traceability of an anonymous online comment