“Yesterday, today, and tomorrow are not consecutive, they are connected in a never-ending circle. Everything is connected. Life is a labyrinth.” — H. G. Tannhaus — Is it necessary for humans to take part in the machine learning cycle? Contrary to what the movies we watch show us, today’s artificial intelligence (AI) cannot do everything and learn everything on its own. It primarily, and to a large extent, needs the feedback it receives from people.