The population of the world stands at about 7 billion. So it takes only 10 digits to label each human being on the planet uniquely.
This simple arithmetic observation offers powerful insight into the limits of privacy. It dictates something we might call the 10-Digit Rule: just 10 digits or so of distinctive personal information are enough to identify you uniquely. They're enough to strip away your anonymity on the Internet or call out your name as you walk down the street. The 10-Digit Rule means that as our electronic gadgets grow chattier, and databases swell, we must accept that in most walks of life, we'll soon be wearing our names on our foreheads....
very interesting, but many of the 7 billion estimated human population have no birth registration, are not on any data base have no means of commmunication, have not even the simple things in life like food for example. If this was to work out then it would have to take everything into account. As it is, it might work out for those who have means of communication etc. other than this I doubt it will. Perhaps if we all made our govenments give a 10 digit sum to those without then ................