In my view what will make or break a disruption using AI technologies is not the hardware but the software, which is us and our technological intuition to challenge common perceptions of what defines good performance.

Just as you start getting into the swing of things, daydream of marrying words into paper forever at your leisure -somewhere on a remote beach -- suddenly, you run into the Armageddon of all problems -- writer's block.

Sometimes what looks at first like a game-changer is seen in retrospect as a sustaining innovation instead. And that's no failure.

"Retirement" is no longer limited to meaning "the rest of my life of non-working," since we live longer and have a great deal of vitality and energy at fifty, sixty, seventy, eighty and beyond.