$6.99 ($4.89 and free shipping w/Kohls card)
This is just so silly I had to share it. Plus it's a great deal at 87% off and free shipping if you use the discounts detailed in the Kohls' deal posted by @thumperchick and @philgonet:
Radica toys prove the Internet has gone to the dogs. The 500 preloaded Twitter™ updates included with this Puppy Tweets device allow your loyal companion to post to the social networking site without the need to type! Our full line of toys provides hours of enjoyment.
USB connection receives Wi-Fi signals from the sensor and automatically posts updates to Twitter.
Convenient clip easily attaches the sensor to your dog's collar. Price is for the pink color, blue is double.