Good advertising and promotion helps project to develop and to increase the community.
Now all cryptocurrency projects needs the promotions. But promotion costs a lot of money. May be for company that owns mines this some is not big.
Promotion is a very important part of every project. People must know about the project and its advantages, for this promotion is necessary.
It is very important that the project will actively developing and it will be more news from the project. If project is successful people will by its tokens.