Billionaire Meta CEO Mark Zuckerberg has always been an early adopter of new tech, but now he says those who don’t adopt smart glasses, which sit at the bleeding edge of wearable technology, may be at risk of falling behind.

Meta’s Mark Zuckerberg posted a letter yesterday focused mostly on the potential for so-called “personal superintelligence.” He said that while AI will inevitably cause societal change akin to the agricultural revolution, allowing for discoveries that “aren’t imaginable today,” the real frontier will be at an individual level.