Meta CTO explains why the smart glasses demos failed at Meta Connect — and it wasn’t the Wi-Fi

Meta Chief Technology Officer Andrew Bosworth took to his Instagram to explain, successful much method detail, wherefore aggregate demos of Meta’s caller astute glasses exertion failed astatine Meta Connect, the company’s developer conference, this week.

Meta connected Wednesday introduced 3 caller pairs of astute glasses, including an upgraded mentation of its existing Ray-Ban Meta, a caller Meta Ray-Ban Display that comes with a wristband controller, and the sports-focused Oakley Meta Vanguard.

However, astatine antithetic points during the event, the unrecorded exertion demos failed to work.

In one, cooking contented creator Jack Mancuso asked his Ray-Ban Meta glasses however to get started with a peculiar condiment recipe. After repeating the question, “What bash I bash first?” with nary response, the AI skipped up successful the recipe, forcing him to halt the demo. He past tossed it backmost to Meta CEO Mark Zuckerberg, saying that helium thinks the Wi-Fi whitethorn beryllium messed up.

Jack Mancuso astatine Meta ConnectImage Credits:Meta

In different demo, the glasses failed to prime up a unrecorded WhatsApp video telephone betwixt Bosworth and Zuckerberg; Zuckerberg yet had to springiness up. Bosworth walked connected stage, joking astir the “brutal” Wi-Fi.

“You signifier these things similar a 100 times, and past you ne'er cognize what’s gonna happen,” Zuckerberg said astatine the time.

After the event, Bosworth took to his Instagram for a Q&A league astir the caller tech and the unrecorded demo failures.

On the latter, helium explained that it wasn’t really the Wi-Fi that caused the contented with the chef’s glasses. Instead, it was a mistake successful assets absorption planning.

Screenshot from Instagram

“When the cook said, ‘Hey Meta, commencement Live AI,’ it started each azygous Ray Ban Meta’s Live AI successful the building. And determination were a batch of radical successful that building,” Bosworth explained. “That evidently didn’t hap successful rehearsal; we didn’t person arsenic galore things,” helium said, referring to the fig of glasses that were triggered.

That unsocial wasn’t capable to origin the disruption, though. The 2nd portion of the nonaccomplishment had to bash with however Meta had chosen to way the Live AI postulation to its improvement server to isolate it during the demo. But erstwhile it did so, it did this for everyone successful the gathering connected the entree points, which included each the headsets.

“So we DDoS’d ourselves, basically, with that demo,” Bosworth added. (A DDoS attack, oregon a distributed denial of work attack, is 1 wherever a flood of postulation overwhelms a server oregon service, slowing it down oregon making it unavailable. In this case, Meta’s dev server wasn’t acceptable up to grip the flood of postulation from the different glasses successful the gathering — Meta was lone readying for it to grip the demos alone.)

The contented with the failed WhatsApp call, connected the different hand, was the effect of a caller bug.

The astute glass’ show had gone to slumber astatine the nonstop infinitesimal the telephone came in, Bosworth said. When Zuckerberg woke the show backmost up, it didn’t amusement the reply notification to him. The CTO said this was a “race condition” bug, oregon wherever the result depends connected the unpredictable and uncoordinated timing of 2 oregon much antithetic processes trying to usage the aforesaid assets simultaneously.

“We’ve ne'er tally into that bug before,” Bosworth noted. “That’s the archetypal clip we’d ever seen it. It’s fixed now, and that’s a terrible, unspeakable spot for that bug to amusement up.” He stressed that, of course, Meta knows however to grip video calls, and the institution was “bummed” astir the bug showing up here.

Despite the issues, Bosworth said he’s not disquieted astir the results of the glitches.

“Obviously, I don’t emotion it, but I cognize the merchandise works. I cognize it has the goods. So it truly was conscionable a demo neglect and not, like, a merchandise failure,” helium said.