Companies from Microsoft to Shake Shack have experimented with a shorter, 4-day workweek — and most of the time it’s worked really well
Will the 4-Day Workweek Take Hold in Europe?
The Truth Behind the 4-Hour Workweek Fantasy
A 4-Day Workweek? A Test Run Shows a Surprising Result
4-day workweeks are the future — and this is how you can make them happen