Stop for a second and think about all the things you've imagined with Bluetooth connectivity. Now narrow that list down to all the absurd, goofy, or just downright ridiculous ideas you've had just for a laugh. Done? Good. Here's an idea so outlandish that I bet it never even crossed your mind.
Oral B just announced a Bluetooth-connected toothbrush (can we just call it a Bluetoothbrush?). With an app. It's going to be on display at Mobile World Congress.