Mark Zuckerberg and Sheryl Sandberg reflecting on 2016

Mark Zuckerberg and Sheryl Sandberg reflecting on 2016 Live with Sheryl reflecting on 2016 and looking forward to the new year. https://twitter.com/markzuckvideos http://ift.tt/2i2KiTx http://ift.tt/2hTFQIO http://ift.tt/2i2SOBT