Millions of Americans have counted on platforms like Instacart, DoorDash or Uber as a job. And they're quickly finding themselves at the mercy of an algorithm — where the smallest tweak of the app is capable of upending their livelihoods.

Millions of Americans have counted on platforms like Instacart, DoorDash or Uber as a job.

And they're quickly finding themselves at the mercy of an algorithm — where the smallest tweak of the app is capable of upending their livelihoods.https://t.co/hq211c7xWf

— NPR (@NPR) November 25, 2019