This 3 sentence summary provides the high level information from the document: The document discusses notes from the 2-day CascadiaJS 2013 conference which focused on cutting edge JavaScript and other open web technologies related to browsers, servers, and operating systems. It also provides a link to more information about the conference and encourages connecting with the author on Twitter under the handle @adamskye. The document is authored by Adam Jones, a developer and designer from The Level website.