In order to excel at business innovation, it is essential for the company to embrace a sense of fun at work. Here fun does not mean that employees engage in actual play, but breaks where people engage with each other in more light-hearted vein helps them relax. Often new ideas are brainstormed during such sessions. Obviously there need to be unofficial moderators to weed out the ridiculous from the actual innovative. Often the gap between these two is quite thin so someone has to step in between.

Source: http://innovationexcellence.com/blog/2016/08/01/the-role-of-play-in-innovation/