Facebook and Google suck up our personal data and turn it into fake news, engagement algorithms and “psychographic messaging” fed by Russian bots and digital stealth operatives trolling for Brexit and Donald Trump's election. A battle is looming over who will control this sea of data and artificial intelligence, with the needs of the public interest and private, Internet-based businesses often in conflict. What can be done to promote innovative policy approaches about the use of Big Data, and to develop a social economy for the digital age?