Um, where to begin? How about a definition: twinge n. A brief experience of emotion, typically an unpleasant one. Funny, that's the reaction we had when first laying eyes on Mobile Mechatronics' iTwinge iPhone keyboard. At the moment, we're unclear if the iTwinge electronically docks to the base of the iPhone or if it's just a $30 (plus shipping) sleeve with Pogo-like coating for capacitive touchscreens. According to the FAQ, the ultra-low power iTwinge "uses the phones power" but doesn't require any software to work with Apple's iPhone 3G or 3GS handsets. Regardless, after 4
