REST API
I have worked on a twitter api project. The goal was to create a Twitter Map service (visit the site, "Twitter Explorer" [https://twitterexplorer.kevinprogramming.com]) that can make users search tweets and display them on Map (using Google Map). I utilized Twitter REST API (Twitter has another products like
GIS
US * The U.S. Census Bureau [http://www.census.gov] (also FactFinder [http://factfinder.census.gov/]) * Census Reporter [http://censusreporter.org/] *American Community Survey * Data.gov [https://www.data.gov] * National Centers for Environmental Information [https://www.ncei.noaa.gov/] * Sunlight Foundation [http://sunlightfoundation.com/] UK * Ordnance Survey [https://www.