Are you addicted to your cell phone? Dr. Hallowell advises that you TURN IT OFF! 20 years ago, someone could find you if they needed to.
00:25 min
CLEAR ALL
Non-fungible tokens, or NFTs, have exploded onto the digital art scene this past year. Proponents say they are a way to make digital assets scarce, and therefore more valuable. WSJ explains how they work, and why skeptics question whether they’re built to last.