“NTIA’s Indicators of Broadband Need User Guide – The Indicators of Broadband Needmap was created by the United States Department of Commerce, National Telecommunications and Information Administration (NTIA). The map brings together several different datasets to show information on broadband availability within the United States. Layers in this map were created using data from the U.S. Census (the American Community Survey), Ookla Speedtest results, Measurement Lab (M-Lab) speed test results, Microsoft, the Federal Communications Commission (FCC), the Department of Education and internal NTIA data resources. All data is shown at one of three Census geographic levels: county, census tract, or census block…”