Shengjia Zhao — formerly of OpenAI — is the new chief scientist at Meta's new Superintelligence Lab, Mark Zuckerberg announced on Threads on Friday.Why it matters: The company is spending billions of dollars to hire key employees as it looks to jumpstart its effort and compete with Google, OpenAI and others.What they're saying: "In this role, Shengjia will set the research agenda and scientific direction for our new lab working directly with me and Alex," Zuckerberg wrote on Threads, meaning for...