Zuckerberg's vision includes augmented reality glasses, a large investment in small businesses, and a generational change in how social media is used.
The fast-spreading outbreak, which has killed more than 130 people and infected 6,000 in China, could cut first-quarter GDP growth by about 1 percent.
Warren Buffett says he spends 80% of his day reading and thinking. And his business partner, Charlie Munger, vouches for it.
Trump again criticized the Fed for not lowering interest rates: He has repeatedly called for the central bank to adopt negative rates altogether.