On the coastal edge of Tunisia, a signal bounces between 11 rooftops and 12 routers, forming an invisible net that covers 70 percent of the city of Sayada. Strategically placed, the routers link together community centers

Not long ago, the Zine el-Abidine Ben Ali government censored access to the Internet. The regime is gone now. And this free network gives the community unfettered access to thousands of books, secure chat and file sharing applications, street maps, and more.

The Sayada community network is part of the Open Technology Institute