JSON-LD (JavaScript Object Notation for Linking Data) is a lightweight Linked Data format that gives your data context. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on the already successful JSON format and provides a way to help JSON data interoperate at Web-scale.
ASK KEN™ is sort of a Node-Link diagram that allows to visually navigate through interconnected topics provided by the Freebase Service. It takes advantage of the latest HTML5 features by using the canvas element for drawing.