We've all been there. Staring forlornly at a locked door, keyless, with Gandalf's rumbling voice echoing in our heads, telling us that we would not pass. It's a sorry sight, and the people behind the iOS app KeyMe are determined to make it a thing of the past. The app (available at the link below) takes photos of your keys and scans them to translate the images into diagrams. If you've locked yourself out, you can simply waltz into your local l