Barack Obama: “We must now harness that spirit of innovation to develop the next generation of accessible, secure technologies.”

People need to “rediscover what’s the story we tell about how we’re going to live together, and see each other, and recognise each other, and disagree, and yet, still care for each other”.

And I will fight for that, even if I don’t always think it’s going to win.

I’m going to insist that we can do better than we’re doing right now.

A drift towards extremism was "not inevitable