PUBLIC MARKS with tags usb & authentification

"The YubiKey is a new, simple and secure authentication solution. With a simple click on the YubiKey button, your identity and a unique password is sent every time you use it. The device connects to the USB port, fits in your wallet and works on all platforms and browsers, without the need of any client software. Together with the Yubico back-end integration platform, we enable quick and easy integration with any online service."