The former CEO of Character.AI, which Disney previously sent a cease-and-desist letter to, will serve as the company’s first-ever chief technology officer.
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Sodium-ion batteries are making their way into cars—and the grid For decades, lithium-ion batteries have powered our phones, laptops, and electric vehicles. But lithium’s limited supply and volatile price have led the industry…