Meta CEO Mark Zuckerberg stumbled through the live debut of the company’s latest line of Ray-Ban smart glasses on Wednesday, as technical glitches derailed his on-stage demo and undercut the launch of the $800 flagship model.

The Facebook founder’s big demo at Meta Connect 2025 went off the rails Wednesday when the $800 Ray-Ban Display glasses repeatedly misfired on stage, forcing Zuckerberg to blame “bad Wi-Fi” as the audience laughed.

Zuckerberg was on stage and joined virtually by chef Jack Mancuso, who asked the glasses’ AI for step-by-step help making a Korean-inspired steak sauce. Instead, the AI wrongly assumed ingredients had already been combined, jumped steps and repeated the error when he tried to restart. 3

“The irony of all this whole thing is that you spend years

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