Bitcoin price is governed by the law of supply and demand, since the supply of bitcoin is fix at twenty one million compared to the growing demand were seeing, bitcoin price will surely go up. This demand is fueled by people who are now seeing the advantages of owning bitcoin whether its for investment purposes or using it as a currency. I think that bitcoin is designed to be used by everyone, even the price is now at $15000 the number of users are just at around 2% of population. By time time bitcoin users increase to 10% the value will be at $100k