Some modern notebooks come with facial recognition. A face being something you have, of course. This can be paired with a Windows password (what you know) for two-factor security.
This is not strong two factor security as facial recognition, at least as currently implemented, is susceptible to a wide range of attacks. A presentation at Blackhat covered these vulnerabilities in detail.
J Wolfgang Goerlich
YouTube - Face Recognition Commercial Lenovo
BlackHat: Your face is NOT your password