Jack Ma: In 30 years people will work 'four hours a day and maybe four days a week'
http://www.cnbc.com/2017/06/21/alib...e-will-work-four-hours-a-day-in-30-years.html
http://www.cnbc.com/2017/06/21/alib...e-will-work-four-hours-a-day-in-30-years.html