Meta CEO Mark Zuckerberg wears the Meta Ray-Ban Display glasses, as he delivers a speech presenting the new line of smart glasses, during the Meta Connect event at the company's headquarters in Menlo Park, California, U.S., Sept. 17, 2025. Carlos Barria | ReutersMeta's efforts to create the digital worlds known as the metaverse continue to be costly.The company reported fourth-quarter earnings on Wednesday, saying its Reality Labs unit recorded an operating loss of $6.02 billion on $955 million ...