In the modern world, what matters is how high-quality a specialist you are, what benefits you get in life, and whether you can do something more than most people around you can. Either you are put in your place, or you reach greater and greater heights. Let's consider how communities help a person and what they generally give him. You can type somewhere in the search for groups in VK “Arduino community” or “Community of electronics / IT specialists”, and you will see a whole list of groups where you can join. But we don’t always think that there are strong communities with their own path, with strong goals and thoughts. Let's take a closer look at this issue.