Mark Zuckerberg, CEO of Meta Platforms, demonstrates the Meta Quest Pro during the virtual Meta Connect event in New York on Oct. 11, 2022.Michael Nagle | Bloomberg | Getty ImagesMeta continues to sink billions of dollars a quarter into developing the metaverse, and is just now facing its first real competitive threat from Apple.In its fourth-quarter earnings report Thursday, Meta said its Reality Labs unit recorded an operating loss in the period of $4.65 billion. Analysts were expecting a loss...