http://pogue.blogs.nytimes.com/2007/10/18/pogues-imponderables/
Some of these are multi-million dollar ideas in the making
Why don’t all hotels have check-in kiosks like airlines do?
Laptops, cameras and cellphones have improved by a thousand percent in the last ten years. Why not their batteries?
Why doesn’t everyone have lights that turn off automatically when the room is empty?
Why can’t a digital S.L.R. camera record video?