Imagine walking into a coffee shop and swiping your phone across a NFC tag to get access to Wi-Fi, instead of begging for the Wi-Fi password. Or, imagine swiping your phone as you enter a store to check-in on Foursquare.
Most people do not realize until a personal encounter - myself included - that there are over 40,000 cases of unidentified remains in the USA . The greatest majority of these cases are murder victims. Imagine - that many cases means that many crimes unresolved and unpunished.