A lot of ways to show our support for this project.. follow them on social media and websites and share them on our media sites/profiles. Let us do so to encourage more people to join us 
Yes. I've already followed them in social medias like twitter and facebook. And sharing their updates to my profile and posting about the project to all group I have, so that they are aware regarding the project. To make them know what the importance of GPCC and how can they benefits from it. And took their attention to the project.