Indian Railways has been accepting the SMS sent by their reservation system with a valid photo ID as a valid ticket for travel. And, yes, every time I board the train, I can see fewer and fewer passengers showing printed tickets.
https://www.irctc.co.in/VRM.htm/
Most images of Head of States signing something into a law show that person actually signing with ink on paper. Suppose that were to be digital ? Could that set a trend to actually implement paperlessness ?
It would be great if Watson could filter out the frivolous patents. If it had a hilarious bone (chip ?), it would tickle (burn ?) till it hurt (smoke ?).