We gave a talk at the JS.Geo conference last week introducing Cesium and coding a simple example to load CZML, GeoJSON, glTF, terrain, and imagery. The pre-recorded videos are up:
Patrick
The live video for our JS.Geo talk is now up: http://confreaks.com/videos/4672-jsgeo2014-creating-3d-web-maps-with-cesium
Patrick