Twitter is the easier one - the data is mostly open. Facebook is much harder and a much bigger influence. More Americans get their news from Facebook than Twi

Twitter is the easier one - the data is mostly open. Facebook is much harder and a much bigger influence. More Americans get their news from Facebook than Twitter, and all the Facebook data is inside a walled garden. We're soon as a society going to need to deal with disinformation and political targeting on Facebook and Twitter. And the role of that disinformation in our politics. And when I saw "our" I mean US, UK, France and most of their allies.