To use rather than collect, the second coming of NFTs

Starbucks is one of the companies that sees a useful future for NFT digital collectibles

NFTs have been called everything from fads to outright scams, but early adopters see a future for them as uniquely useful tools for business, health and the arts that goes beyond mere digital collecting.

"NFTs are very rudimentary right now," said Sandy Khaund, founder of start-up Credenza, which helps companies adopt new technologies based on blockchain, which underlies cryptocurrencies and NFTs.  Beyond the art world, "they don't have a lot of functionality.