My boss (serial builder of consultancies and all round good guy) has a simple policy. Any time 3 or more employees go out for coffee together it is a business

My boss (serial builder of consultancies and all round good guy) has a simple policy. Any time 3 or more employees go out for coffee together it is a business meeting and should be expensed. His reasoning: the value of the knowledge transfer in going for coffee far exceeds the cost of the coffee or loss of time.