Don’t build a fast company, Jason Fried tells Fast Company. Build a slow one.

Jason Fried is a founder and CEO of 37signals, a software company based in Chicago. Fried also treats 37signals as something of a laboratory for innovative workplace practices—such as a recent experiment in shortening the summer workweek to just four days. We caught up with Fried to learn how employees are like fossil fuels, how a business can be like a cancer, and how one of the entrepreneurs he admires most is his cleaning lady. more