well, I think its for both, people and corporation both can use it..people can use it for consumption purpose while corporations and other business can use it as investment as we can see the fluctuate price of it and corporations can also use it for dividends..
Bitcoin was created as a perfect currency. This digital money can be used by any person, who has a computer (or any mobile device) and the Internet. BTC is for poor and rich, it is for millionaires and usual workers.