
Facebook finally provided a way to keep any random jerk in the café from hijacking your account. But you have to go out of your way to enable this protection, and you might have to wait. Still: Jump on this.
Facebook has at long last offered an option to use the encrypted "HTTPS" protocol, a feature it will begin rolling out today but won't finish for a "few weeks." You should check now if it's available, and sign up as soon as it is enabled...