Roger McNamee: ‘Facebook is a threat to whatever remains of democracy in the US'

An early investor in Facebook outlines the unprecedented scale of power wielded by the social media giants – and sets out his blueprint for reform

• John Naughton on how Facebook could stop Biden’s progress to the White House
• Q&A with Facebook whistleblower Yaël Eisenstat
• Carole Cadwalladr: If you’re not terrified about Facebook, you haven’t been paying attention