I believe that the hype has barely even begun. Only 1 percent of the global population owning any cryptocurrency and news of banks and financial institutions looking incorporate blockchain technology and invest in cryptocurrencies; I think there will be a more mainstream adoption in the coming 18-24 months.
Agreed, total market cap is still extremely low. Less than 300 billion? come on, Bezos, Gates, and Buffet are worth more than that.
The cool thing about Bitcoin is the large number of decimal places, so in the future we may be talking about satoshi units as we tlak today about dollars.