I took the dive into Firefox extension development today whipping out an answer to the Beacon is broke sentiment that is popping up all over the net, including here on this blog. This extension puts a little icon in the status bar that lights up in blue when on a page using Beacon technology. In theory, this will help users make educated decisions about which sites to shop at, or rent games, movies or otherwise engage in activity with.
Get the details and install the extension here. And pass the word.