Reminds me of hidden nuggets like Apple's Preview.app ability to add signatures to PDFs by scanning a photo using webcam or using your trackpad. When I tell peo

Reminds me of hidden nuggets like Apple's Preview.app ability to add signatures to PDFs by scanning a photo using webcam or using your trackpad. When I tell people about this one feature, there's always a sigh of frustration that they've been printing out docs, signing them and then re-scanning them or using expensive dedicated tools.