Chrome for a Cause - Chrome Web Store »
Participate in charitable projects with the rest of the Chrome community. Install the Chrome for a Cause extension and your web browsing will drive donations made to charities around the world. Between December 15–19, every tab you open will support a good cause. To find out more about this effort and the organizations we’re partnering with, visit http://www.google.com/chrome/intl/en/p/cause/
Blog post: http://chrome.blogspot.com/2010/12/browse-for-good-cause.html
You’ll need a Google account to participate.
