AI tokens could become the kilowatt-hour of the AI age

AI companies use tokens to track usage and bill customers. Now economists are using them to track the spread of AI through the economy.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/6240x4160+0+0/resize/6240x4160!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Fec%2F18%2F694cedd9448aa43da30199307261%2Fgettyimages-2247736767.jpg' alt='undefined'/><p>AI companies use tokens to track usage and bill customers. Now economists are using them to track the spread of AI through the economy.</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=g-s1-135475' />