Any live interviews from the team I think that will be a good plan to attract members and investors to join the ICO sale.
Interviews are an effective step to attract new users, but this step must be supported by a great team that can convince the audience. don't forget promotions through social media, because almost all humans use social media and that is the first step in platform imaging.
Only the set of various methods of an advertizing component will be able to help to move ahead to the project with good speed. It is impossible to use for this purpose something one, it is necessary to combine.