Google's sesame open-door function.

Google now provides the "open sesame door" function.
The usage of this function is as follows: You want to use a public computer to log on to Google's services (such as Google + or gmail ), But you don't know whether the public computer is safe, so you don't want to enter yourGoogle account password; On the other hand, although you have a mobile phone to log on to the Google service, it is inconvenient to enter and operate on your mobile phone. Therefore, the" open sesame "function is to use your mobile phone to log on to your Google service on that public computer!

the procedure is as follows:
1. on a potentially insecure public computer, connect to this page: http://accounts.google.com/sesame
2. a QR code two-dimensional code
3. use your mobile phone to take the two-dimensional barcode and connect it to the obtained URL
4. log on to your Google account on your mobile phone (then select You want to open the door with sesame seeds, that is, the following two buttons start Gmail or start igoogle)
5. in this way, the insecure public computer will automatically log on to your Google account, allowing you to use various Google services
6. Do not forget to log out! (You do not need to enter the password after logging out .)