In addition to everything written about the project, you need promotion in social media, otherwise you will get lost among hundreds of projects. Promote your project in Reddit can
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Social media plays a vital role along with the project and the team . Even team is very vital as it can make or break the project during the difficult times the project may be facing it. Also vision is very important to run the business in the long term. So rest assured their are combinations of everything which make a project successful.