Clay Shirky: The Possibility of Spectrum As A Public Good
This matters, a lot, because with the spread of unlicensed wireless, the FCC could live up to its mandate of managing spectrum on behalf of the public, by allowing for and even encouraging engineering practices that treat spectrum itself as a public good. A public good, in economic terms, is something that is best provisioned for everyone (an economic characteristic called non-excludability) and which anyone can use without depleting the resource (a characteristic called non-rival use -- individual users aren't rivals for the resource.)