Here’s a great example of web activism.

Upset with absurd attempts by the coal industry to clean up it’s image (rather than it’s smokestacks), the National Resource Defense Council created a spoof website.  Who’s to say that you have to take corporate disinformation lying down?

The original is found here: http://www.americaspower.org/ (boo! hiss!)
The spoof is found here: http://www.americascoalpower.org/blog.html (how awesome is this?)