Am also wondering why publish similar offers like this in project developement board without any explanation about what it should be the GreeCoin 
Youtubers have much more opportunities promoting existing projects which giving them a clear vision about what they willing to promote. A simple topic here can't garantee anything but a lot posts asking about simple details.
* Why would you choose only youtubers to promote the project?
This post only for You Tuber and it doesn't mean project being promoting only on rely of You Tubers. You Tuber advertising is part of our project and that's why we hiring You Tubers. Hope you understandYoutubers have much more opportunities promoting existing projects which giving them a clear vision about what they willing to promote. A simple topic here can't garantee anything but a lot posts asking about simple details.
* Why would you choose only youtubers to promote the project?