What’s the truth about Facebook and Twitter’s algorithm riddle?

Algorithms dictate what we do – and don’t – see online. On Twitter and Facebook, they determine what posts do well and which ones get buried. Yet how they actually work is shrouded in secrecy. Elon Musk, who agreed a £34.5 billion takeover bid with Twitter’s board last month, has voiced his concern about algorithms: ‘I’m worried about (a) de facto bias in ‘the Twitter algorithm’ having a major effect on public discourse.