Interesting I wonder how it deals with the case of e.g. someone giving their phone to another person (e.g. spouse) who then uses the passcode. I guess they coul

Interesting I wonder how it deals with the case of e.g. someone giving their phone to another person (e.g. spouse) who then uses the passcode. I guess they could try and work out if it is a variation of the same person or if it is someone else entirely.