Meta (META) reported a blowout fourth quarter after the bell on Wednesday, posting better-than-anticipated earnings per share and revenue. Zuckerberg spent the summer and fall on a hiring spree, shaking up Meta’s AI division. Meta’s AI bounceAccording to Zuckerberg, Meta will begin shipping new AI models and products in the coming months. Part of that vision includes Meta’s smart glasses effort, which includes the company’s Ray-Ban Meta glasses and Meta Ray-Ban Display smart glasses. Of course, all of Zuckerberg’s plans are going to cost billions in AI infrastructure construction.