O’Reilly Media is a media company that publishes books, web sites, and produces conferences.  The R&D group at Brooklyn Research is primarily focused on developing O’Reilly Atlas, a web application aimed at simplifying the creation and distribution of digital content. Atlas is a Git-based writing and production tool that exports books as PDF, ePub, Mobi and HTML, from single source Markdown, Asciidoc or HTML files, styled with CSS only.