“Didi Global is helping workers establish their first union, a groundbreaking decision its fellow tech giants may soon follow as China imposes rules to curb excessive work and protect millions of blue-collar workers from exploitation,” reported Bloomberg , citing sources. Details: The ride-hailing firm’s drivers – a majority of whom are part-time workers and do not get full employment benefits – will be invited to the union. The plan for a union was announced in an internal forum but no other details were given. Food delivery firm Meituan was also looking at putting up “internal labor rights organizations,” while Alibaba…