As by seeing the usage graph and profiting graph i can easily assume that in next decade of 2020 people will mainly relay on bitcoin and the main thing to survive in the next era will be bitcoin and it will be frequently used by everyone and that will help many regions to boost their economy as well so hope for the best, many people are eagerly waiting for the btc system to be implemented.
By 2020 it could be the Bitcoin era, but it could only be an investment option to make a profit and not be a form of payment. The fee for each Bitcoin transaction is quite high, and the fee is always stable at 0.0001 Bitcoin. When Bitcoin has a high price of 0.0001 bitcoin will colossal fee charge.