Greasemonkey is a Firefox extension that allows users to add scripts that can affect any website. These scripts can block out ads, change the layout, and easily control the site’s design or interaction. Needless to say, some developers are not happy with it.
A few weeks back we talked about Google’s Auto Link feature in Google Toolbar 3. It stirred up controversy because it would automatically link ISBN numbers to a bookstore of Google’s choice and automatically linked address to Google Maps. Now, Greasemonkey has these abilities and more.