The Download: a secretive antiaging drug and joining virtual power plants

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.
A startup claims it’s found a drug to make your blood young—Antonio RegaladoI knew I’d officially become a “longevity influencer” when a company called Generation Lab offered me the chance to write about—and even receive—their new rejuvenation treatment.This wasn’t just any antiaging treatment, either