Mar 20, 2021

Input is error

Elon Musk said this on a recent Joe Rogan podcast and you can see the sentiment littered throughout the evolution of Tesla.

Tesla removed the ignition and the light switches from their cars. The weight of the driver and the sensor in the key fob are enough to activate the car. Regarding the lights, here’s what Musk said:

They wanted to put a bloody switch or a button for the lights. Why would we need a switch? When it’s dark, turn the lights on.

One tactic to making your product or service better is treating all input as error. What are inputs you require from customers that you can instead figure out through some other more intuitive means?