Promotion can help a lot in making the project successful. The best to have is a 2 in 1 promotion which can help both in the project and the people who supported the project. This could really help because popularity is one of the reason why many people will love to know about the project. Because they will find it interested after knowing many are supporting the project and why it is popular.
That would always depends to the team on how are they going to handle the proper communication towards the team to the investors as well as the supporters. To gain the symphaty is the very important part so that this project will continue in the progress form and can interact in different way of strategies.