It’s upended democracy. Now populism may be upending the world of finance. In 2016, a rancorous mob of grass-roots Right-wingers exploited the raw power of social media to propel Donald Trump’s candidacy for the presidency and carry him on its triumphant shoulders into the White House.

At the time, the project seemed far-fetched, comical even. Its success showed the enormous mobilising power of the internet to promote fringe political candidates while bludgeoning their rivals – above all Hillary Clinton – with a torrent of memes, mockery and misinformation.

The Telegraph London