We’re getting stupid. Are you?

Good software is making us stupid apparently. Or at least it’s quelling our need to think.

Imagine for a moment that you have thumbed a ride in one of London’s iconic black cabs.

“Where to, guv?” he asks, in typical cockney-twang. You tell him.

“No problem – let me just enter that into my sat-nav…”

See where it takes you – BBC Technology