Fitbitters of the world, unite!

Drunk as we are on the illusion of personal control, we should remember that data trickles uphill toward the powerful, because they are the ones who can afford to exploit it. Today, for every worried-yet-well twentysomething fiddling with his Fitbit, there is a worker being cajoled by their employer into taking a medical test.

for The Guardian, 2 November 2016