Now you want to talk about oddball extensions, I think this one takes the cake. Oil Standard is a tool that converts all prices from U.S. Dollars into the equivalent value in barrels of crude oil. Why would you need this? I have no clue at all. It is pretty fun to play with and to settle arguments with friends.
Come on, I know we have all argued that our stuff would convert to more oil than their stuff. When you load a web page, the script seamlessly inserts converted prices into the page. As the cost of oil fluctuates on the commodities exchange, prices rise and fall in real-time. Check it out and let me know what you think!