The QR Code login idea is awesome: "Many sites also allow users to log in by scanning a QR code in the site’s own app. In the QR code is an expiring session id

The QR Code login idea is awesome: "Many sites also allow users to log in by scanning a QR code in the site’s own app. In the QR code is an expiring session identifier that, once read by the mobile app, associates that browser session with the logged-in account." Username and password logins suck for a number of reasons (although keyloggers are mentioned as the primary reason in the post), and as smartphones become ubiquitous this could allow a much easier and more secure workaround.