Elon Musk has sparked interest by retweeting claims about a feature in Grok's source code, suggesting preparations for Grok Computer, a project linked to his earlier Macrohard initiative.

Backed by Jeff Bezos, Danny Meyer and other savvy investors, Matias Muchnick’s NotCo has created alternatives for Coca-Cola, Kraft Heinz, Ferrero and more food giants. And the appetite for change is ...