Okay, the forthcoming Alvin and the Chipmunks movie (opening Dec. 14) looks like it’s going to be horrible, but if you’ve ever wondered what you might sound like if you were chipmunk-ized, the movie’s marketers have developed a widget that lets you find out by digitally altering a sample of your voice. You can also create your own animated rodent avatar to mouth your Alvinisms. (Here’s one we made.) Check it out: Minutes of pre-holiday fun for the whole family!