Artists and authors are issuing non fungible tokens (NFTs) for their work. The market price of these has exploded and bids are currently at $2 million for Jack Dorsey’s first tweet. A lot of people seem to think that it is completely insane to spend money for something that is freely copyable. Why would anyone pay if you can simply go to Twitter and see the tweet there? Screenshot if you want to? The underlying misconception here is to think that in the digital world copies are indistinguisha...