Facebook has introduced a login function to your account by electronic key-card
Most people use it for authentication an SMS message sent to the smartphone, but this may not be always convenient. Starting today, the Facebook user can bind to your account key key and log in to a social network with it — simply inserting it into the USB port on the computer.
The security Facebook warns that this method is not an absolute guarantee of safety of personal data and recommends using it in conjunction with other methods of security.
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