We built our key duplication software system to show people that their keys are not inherently secret. Perhaps this was once a reasonable assumption, but advances in digital imaging and optics have made it easy to duplicate someone’s keys from a distance without them even noticing.

Stefan Savage, the computer science professor from UC San Diego’s Jacobs School of Engineering who led the student-run project: House Keys copyable from 200 ft away via camera via @newsycombinator. (via mattlehrer)