How a financial planning firm made a four-day week work

Tim Ferris sold more than 1.3 million copies of the Four-Hour Work Week, though whilst it's a popular concept, the average business is still struggling with the idea of a four-day work week, never mind four hours! Whilst the idea of a four-day week has gained prominence over the past year, so far only a small number of businesses have taken the plunge. I know we aren't the first business to adopt a four-day work week but finally after a lot of procrastination on my part we now shut shop on Fridays...