Applicable to both Computer Hardware [and Overclocking] and Internet [and Networking], yet it doesn't quite fit either category. Anyhow.
*climbs on his soap-box*
The Trusted Computing Platform Alliance (TCPA) is a system designed to take away your freedom. (Why does that sound so Matrix-like? ) It is a system designed to take control of what you can and cannot do with your own computer, and eventually, any electronic device you own. It is a system that needs to be stopped.
Quick and dirty explanation: http://www.notcpa.org/about.html
Longer, in-depth FAQ: http://www.againsttcpa.com/tcpa-faq-en.html
And you wondered why I refuse to use WindowsXP?