This is an excellent idea, and something I've tried but that particular application wouldn't recognise my face as I tend to lean to one side. But my leaning isn

This is an excellent idea, and something I've tried but that particular application wouldn't recognise my face as I tend to lean to one side. But my leaning isn't reliable so it had had real trouble recognising me, not ideal if I'm trying to get into my computer :-) Reliable facial recognition would be great though, just not managed to find it!