In a series of posts over the past two months, I’ve looked at efforts by private companies and city governments to use unlicensed spectrum to improve choice, affordability, innovation and service quality in the communications sector. In this post I’ll add another type of entity to the mix of unlicensed spectrum innovators: local neighborhoods, where issues, interactions and initiatives tend to be more personal and place-based. One focal point for this kind of neighborhood-driven network initiative is Detroit, a city facing severe financial constraints and one of the nation’s lowest levels of Internet penetration (see tables in this earlier post). […]