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We have deployed a large-scale multi-tier wireless network in one of Houston's most economically disadvantaged neighborhoods. The network serves two objectives: empowering under-resourced communities with access to technology, education and work-at-home tools, and providing an unprecedented platform for research of wireless communication technologies. In this paper, we present the joint societal objectives of the network, its technical and economical properties, the obtained research results, and future research challenges. [ABSTRACT FROM AUTHOR]