In September, Meta and Snap both unveiled augmented reality smart glasses. Meta CEO Mark Zuckerberg and Snap CEO Evan Spiegel said AR glasses could be the next generation of computing. The tech giants are the first major players to showcase prototypes following years of R&D and significant investments. CNBC’s Julia Boorstin got to try Snap’s Spectacles and Meta’s Orion AR glasses, coming away impressed. But the technology has major hurdles before it can go mainstream.