I will give you some examples. A Madrid consultant turned YouTuber teacher What is a linear programming exercise with percentage? Through social networks like Twitter, students can ask questions to this nice YouTuber teacher David Calle.
Its technology, physics, chemistry and mathematics lessons are already known by more than 30 million students around the Industry Email List world. This young teacher with glasses gives lessons for ESO students up to the first years of their studies.
His Unicoos channel has become the largest educational platform in our country, with more than 570,000 subscribers and 84 million visits. This Telecommunications engineer lost his job as a consultant a decade ago as a result of the economic crisis.