Social Explorer - an online demographic research tool - revolutionizes the way researchers, scholars, and students interact with data. Containing all historical US census data from 1790 to the present and simple mapping and reporting tools, it meets the needs of experts and non-experts alike. Newly relaunched, the Social Explorer platform leapfrogs all current online mapping systems, allowing for the nimble addition of new types of data sets from around the world and expanding the user visualization and share tools.