The LUCID camera is a literal approach to point-and-shoot digicams that makes perfect, simple sense. Rather than a battery-sucking digital screen with lag time and added expense, it features a concave lens that matches the focal point of the camera.
This would be a dream come true. I still remember the very first interactive desk I saw back in Even scribbles on the table will be interactive and editable! Just gotta make it affordable. iDesk, High Tech Bureau for Apple products.