The Chinese software developer seemed to be finished. When he didn't know what to do next, he screamed his desperation into the Internet. On page 996.ICU, which he had specially created to draw attention to his misery. The number 996 stands for modern slavery in China. It refers to working hours from nine in the morning to nine in the evening, six days a week, as many Chinese companies unspeakably require of their employees. And ICU is the abbreviation for intensive care unit.