Improve quality, you automatically improve productivity.
The moral is that it is necssary to innovate, to predict the needs of the customers, and give him more. He that innovates and is lucky will take the market.
Without theory we can only copy.
When we cooperate, everybody wins.
You should not ask questions without knowledge.
Profit in business comes from repeat customers, customers that boast about your project or service, and that bring friends with them.