Wow-Keys is an interesting keyboard for iPhone owners, with it, you can input text into your iPhone/iPod Touch from it´s keys. The Wow-Keys is also a dock that serves as a charger and synchronization device between your mobile device and computer through an application available on the App Store, it also offers hot keys for quick access to 12 functions you use most.
LUMOback: The Smart Posture Sensor by Monisha Perkash, via Kickstarter. LumoBack’s wearable sensor patch is worn on your waist or lower back and connects wirelessly to an iPhone 4S or iPad 3. It provides a vibration when you slouch. The app can process trend data to determine whether your posture is steadily improving over time.