Found this from another blog. Interesting and probably quite useful:
"A hosts file tells your computer what numerical address (126.96.36.199) is associated with what URL (www.everythingisnt.com.) . This file is a very simple hack which takes ad server URLs and redirects them to non-existant numerical addresses."
Mike Skallas' Ad Blocking Hosts file
28. April 2004
This is my favorite part of my morning commute; walking through Madison Square Park. It's getting nicer now that it is warming up, and this was a beautiful morning.
It took a little while, but I finally got this working.