Well, the media doesnt participate into making it popular but we have the internet now.
It is spread all over the social media and other forums. Also with blogs and other websites that is being paid for advertisement.
I do think that is enough. Why? Look at the world now. It is like everyone now have a smartphone and are online all the time. The world is changing and the news now can also be seen in social medias with shares.
Actually Local media is already contributing to these popularity. We have been seeing news and advertising on TV about the Cryptocurrency.