Airbnb disrupted the old-school mentality that only certain, privileged people should be allowed to provide lodging services and the rest of us ought to be content with being passive consumers.

Ride sharing services disrupted the old-school mentality that only certain, privileged people should be allowed to provide driving services and the rest of us ought to be content with being passive consumers.

Open-source software disrupted the old-school mentality that only certain, privileged people should be allowed publish software and the rest of us ought to be content with being passive consumers.

3D printers disrupted the old-school mentality that only certain, privileged people should be allowed to produce physical goods and the rest of us ought to be content with being passive consumers.

Peer-to-peer lending disrupted the old-school mentality that only certain, privileged people should be allowed provide loans and the rest of us ought to be content with being passive consumers.

The Internet disrupted the old-school mentality that only certain, privileged people should be allowed to publish all kinds of media and the rest of us ought to be content with being passive consumers.