I've read it is very accurate: even twins who look very much alike won't fool it.
But it still has some funny characteristics: if you train it for two people/faces (you can scan multiple times), it will happily let both people log into the account.
Another gotcha: if I go for a coffee I usually lock my PC (Windows-L). If I then go too slowly, it will recognize me again and log me back in, leaving the pc unlocked.
I've read it is very accurate: even twins who look very much alike won't fool it.
But it still has some funny characteristics: if you train it for two people/faces (you can scan multiple times), it will happily let both people log into the account.
Another gotcha: if I go for a coffee I usually lock my PC (Windows-L). If I then go too slowly, it will recognize me again and log me back in, leaving the pc unlocked.