You can now unlock your Chromebook with a PIN

Up until now, users could protect their Chromebook by entering either using their Google account password or by using a paired smartphone to unlock it. There’s now a third option: a simple personal identification number.
In a recent Google + post, Google developer François Beaufort outlined how to use the feature:All you have to do is enable the flag chrome://flags/#quick-unlock-pin, restart Chrome, and go to Chrome Material Design settings page for now to set up your Lock Scre