Locks. we re not going to about mine. what if you do not want to use a thumbprint? what if you do not want to use a thumbrint? ., , y., thumbprint? you can use your face, stored pattern. thumbprint? you can use your face, stored pattern, lots thumbprint? you can use your face, stored pattern, lots of thumbprint? you can use your face, stored pattern, lots of ways. - thumbprint? you can use your face, stored pattern, lots of ways. can i stored pattern, lots of ways. can you use a pin? you can still use the pin but it means you do not have to store lots of passwords in your head, something we are bad at. we know the most common password is still 123456. ~ ., know the most common password is still 123456. . ., y ., know the most common password is still 123456. . ., ., still 123456. what if you forget our still 123456. what if you forget your phone? still 123456. what if you forget your phone? you still 123456. what if you forget your phone? you can - still 123456. what if you ....