Spiral Dynamics Test
From the English: producer + consumer.
This term was proposed in 1980 by the American philosopher, sociologist and futurist Alvin Toffler. You do not buy software, but access it and then you can use updates and improvements. At the same time, you are involved in the development of this product.
You, as a professional user, are interested in finding errors and failures in the work of the product and offering improvements and reporting them to email@example.com