In the past, bitcoin expanded into new demographics. It started with the Slashdot crowd in 2009. Then the Wired/Silk Road article crowd in 2011. Then expanding more towards the VICE/Reddit/CNBC crowd in early 2013. By late 2013, it was on major network television in places like China, Russia, India, etc. You can't be a Wall Street Journal reader or a Google Finance reader without having read about bitcoin. It's been on the front page multiple times.
The next push won't be expanding into a new demographic. It will have to be on the strength of the technology itself.
Very observant. I got a mass communications degree. You're spot on.