All you need to be smart is understand that if a stupid computer (which is merely, quick math) can have multiple users (think how many people this very second are using say google etc. – and the computer not only can knows each user (yes google knows exactly every user – just go to google-analytics…. – In fact they know the user better than the user knows themselves – that’s the magic of “infinite” data) and simultaneously, can patiently deal with each and every individual! – so 1 can be infinite