Yeah, But is the BACK of your device Touch Sensitive?! LucidTouch Concept Device

Check out the concept device from Microsoft Research and Mitsubishi Electric Research Labs called the LucidTouch.  It is a prototype device that let's the user interact with screen content from the BACK of the device.  You can see your fingers through a 'pseudo-translucency' on the screen.  The idea is that your hand and fingers won't obscure images on the screen.