WiMAX 2, the sequel to the movie most people haven't watched, is back to tease and tantalize us courtesy of Samsung's new CEATEC demo. Filling four separate HDTVs with streaming Full HD and 3D content, the Korean manufacturer of everything electronic is touting its latest advance in mobile broadband connectivity that takes the top speed up to 330Mbps. That may only be a third of the theoretical max capability of WiMAX 2, but you know, we'll take it for now. The good news is that Samsung's innovation brew extends o