The four day work week has already been trialed by governments and large companies, from UAE to Unilever. For example, Microsoft Japan tried a 4 day work week in 2019, and as a result, its electricity consumption fell by 23%, and it used 29% less paper. Our panel of experts, led by organizational psychologist and author Adam Grant, explains why the 4 day work week could be the future of work and not just a passing fad.