When the transistor was invented it was not considered a disruptive technology since it could not scale in frequency due to the imputies in the then silicon ingots. It took a few years for a German company to find a way to clean silicon using "Zone Refining" methods.
I see the same thing happening here with graphene. I'm going to take a second look at Samsung as an investment.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.