Profit, privacy and online safety: What's at stake with Twitter verification

The past week has seen Twitter announce – and quickly retract – new rules for authenticating user profiles, notably a controversial proposal to offer “blue check” verification to anyone willing to pay $8 a month. New owner Elon Musk has vowed that his proposed changes will democratise the policy on verified accounts and turn a profit, but the bumpy roll-out exposed a fault line at the heart of the social media platform.