Evan Henshaw Plath is one of the people who helped to create Twitter. He says AI could change social media completely because in a world full of convincing AI it'll become even more difficult to know whether we're communicating with real people or with bots. People will have to fall back to more tribalism and use closed spaces such as Slack groups, Redditors and discord. It can't look anything like what we've got today he tells us.