Demonstrators attend to a woman who fainted at Tamar Park outside the Legislative Council building a day after violent clashes over a proposed extradition bill in Hong Kong, China. (Photographer: Eduardo Leal/Bloomberg)

How Encrypted Messages and Car ‘Crashes’ Helped Hong Kong Protesters

(Bloomberg) -- Thousands of black-clad demonstrators braved tear gas and rain for 79 days in Hong Kong’s 2014 "Umbrella Movement.” The lessons of that agitation appear to have made the city’s prote...