When Jacinda Ardern's popularity irked a 66-year-old Christchurch bricklayer, he spawned the #TurnArdern movement, urging people to turn over books, magazines and other items featuring the New Zealand prime minister's face on the cover. The publicity has boosted sales of the new Ardern biography, which has spent seven weeks on New Zealand’s bestseller list, and created the #ReturnArdern countermovement, with people filming themselves turning the items the right way round again