If a Time Traveller Saw a Smartphone : The New Yorker

From a timely Tim Wu reality check

"Our time-travelling friend proves that, though the human-augmentation project has been a success, we cannot deny that it has come at some cost. The idea of biological atrophy is alarming, and there is always a nagging sense that our auxiliary brains don’t quite count as “us.” But make no mistake: we are now different creatures than we once were, evolving technologically rather than biologically, in directions we must hope are for the best."

If a Time Traveller Saw a Smartphone : The New Yorker