Do you play Katamari? If so, you know it's addictive and mindless fun. Now you can use the Katamari Hack, a jQuery bookmarklet, to play Katamari on a web page. As you roll the ball around it picks up components from the page -- words, images, lines -- and the ball gets bigger and bigger. Follow the instructions to install the Katamari Hack, then try it on your favorite website. Here's what it did to the MacRumors forums!