iRing Controls Your iPod. Wireless Bluetooth connectivity with your iPod and iPhone, the iRing allows you to control playback and volume on any of your Apple media devices. Battery life of up to 2 days before needing to be recharged.
Eyesight-Adjusting Screens: This prototype concept is hi-tech; rather than having to wear glasses to see better, it lets the object adjust to your eyesight. This idea by Ryan Jongwoo Choi is called the iFree.