Five Best Ideas of the Day: May 3, 2017 - The Aspen Institute

Almost every speed limit is too low.

Alex Mayyasi in Priceonomics
We could soon see the NCAA of video games.

Rollin Bishop in the Outline
Why exercise? Soon a pill will boost your athletic endurance without the workout.

the Salk Institute
Could a tax on robots help pay to retrain the workers they replace?

Melia Robinson in Business Insider
Walmart has a plan to trick people into saving money.

Rob Walker in the Atlantic