A corporation is indeed made up of people, but perhaps it makes more sense to think about it as a hive-mind. Using a combination of man-power and computers, corporations can accomplish things that no single person ever could. Sometimes, it even outlives the people who created it.
The crowdfunding and tiny brand revolutions indicate that the business entity can be a means of self-expression and an aesthetic medium of its own... The business entity is the most important disruptive technology of cultural production to watch. In the United States, recent changes in tax incentives benefiting corporation owners over freelancers provide an infrastructural ground for this hypothesis.