Amazon is unquestionably the world’s most essential retailer, hiring 100,000 extra staff to manage its quarantine-related demand surge. Photograph: Thomas Samson/AFP via Getty Images

Contact apps that trace where we have been and who we have touched; software that tells bosses how hard we’re working from home; face masks that light(...)

Senator Bernie Sanders speaks during a campaign event in Cedar Rapids, Iowa, US.  Photograph: Al Drago/Bloomberg

Inside the cosy Ritual Cafe in downtown Des Moines, owner Denise Diaz is doing a roaring trade. On this bright weekend morning, her cafe has been tra(...)