Watch Mark Zuckerberg Townhall Q&A from Barcelona Spain

Watch Mark Zuckerberg Townhall Q&A from Barcelona Spain Watch the full video of the fourth Townhall Q&A with Mark from Barcelona, Spain. https://twitter.com/markzuckvideos http://ift.tt/2i2KiTx http://ift.tt/2hTFQIO http://ift.tt/2i2SOBT