It's funny that almost every tester knows about the existence of these principles. But do they really know them? What is the philosophical component of the principles? How to use them correctly? Why is it important that everyone in the company, from the developer to the director, knows about them?

This talk will rediscover these principles for you. And perhaps even - will change your understanding of testing in general. You will learn how to use the principles in communication with other development participants and increase your effectiveness in your daily routine.