It will grow and it will become an online trading business in crypto currency world and it will develop in the future such that it can become a coins or payment method or credits to make use for the people to made easy our lifestyle perhaps from now on this bitcoin is developing already.
I think you are right, as the number digital currency I guess bitcoin will be accepted and you by many countries not just for online shopping and trading I think it will be accepted as a local currency in some countries in the nearest future to come.