Sign up to see the future, today Can’t-miss innovations from the bleeding edge of science and tech In ancient Roman times, military generals are thought to have used a tactic known as decimation to punish mutinous groups of mercenary soldiers. Essentially, they’d kill one in every 10 unruly soldiers as a horrifying message to discipline those who remained. Today, the same tactic is evidently in play — not by bloodthirsty generals, but by tech billionaires thinning their ranks to free up money for AI. Back in April, Meta announced it was laying off 10 percent of its workforce, or around some 7,800 workers. Unlike traditional layoffs, which are enacted relatively quickly, Meta gave its employees a nearly month-long warning period without announcing who exactly would be headed for the unemployment line. Those layoffs went into effect today, and it’s exactly as brutal as everybody anticipated. Mark Zuckerberg, however, evidently decided the usual cruelty and angst that comes with massive layoffs wasn’t enough. In newly leaked audio from an all-hands meeting at Meta, released by More …