Why Isn’t New Technology Making Us More Productive?

The goal is not to replace workers but to lift their performance, said Zayd Enam, the company’s co-founder and chief executive. Cresta’s offering, he said, is made possible by recent advances in the power and speed of A.I. software, which he described as “game changing.”

Cresta has 200 employees, has raised more than $150 million in venture funding and has several dozen corporate customers including Verizon, Cox Communications and Porsche.

CarMax, the nation’s largest used-car retailer, started trying out the Cresta software in December. The A.I. experiment followed years of investment to shift the company’s computer operations to run on