I think more and more people are finding out about bitcoin. Perhaps one of the greatest influence that affects people's awareness is social media. A lot of people are finding out how bitcoin works and feel the necessity of investing or getting involve in any bitcoin activities. This may be the reason why bitcoin's demand is increasing.
No doubt that social media play an important role in making bitcoin more popular and convincing people to invest their money in bitcoin. But we have to accept that fact that bitcoin has already giving a good profit to people and still people are too much confident about bitcoin investment and that is the reason that still people are interested to invest their money in bitcoin and do not lose a chance of making money from bitcoin investment.
Yes media is responsible for making bitcoin popular, i think now Ethernet is also becoming popular and the reason behind is media which is compelling people to invest money in bitcoin.