A four-day workweek pilot was so successful most firms say they won't go back

If the idea of working four days a week for the same pay sounds like music to your ears, the results of a pilot program from the United Kingdom may give you cause for hope.

Dozens of companies there took part in the world’s largest trial of the four-day workweek - and a majority of supervisors and employees liked it so much they’ve decided to keep the…