Proper education regarding bitcoin. People nowadays perceive it as a getaway to poverty which is partly true but they have to understand the risks and benefits of it. The technology is still slowly innovating from time to time.
Bitcoin is actually being promoted through the satisfactions it has given to its users, All the positive reviews given by the big earners and satisfied users and investors are consider as ways of promoting bitcoin. It is a part of human nature to tell and share to others if something good happen to them. This good news will also help bitcoin to have a wider coverage.