5-10 years ago people were touting that it would only be a matter of time before everyone started building 3D web sites just like they were building HTML pages. What happened? Is it that 3D on the web failed? Or is it that many of us didn''t really understand that the Web is a much bigger and more diverse place than HTML pages? X3D, particularly in it's XML incarnation, is actually growing very very rapidly on the web. But it's not growing as HTML pages - it is growing as real XML-based applications that demand serious technical chops to develop....
Open Standards for Real-Time 3D Communication
A nonprofit organization that develops and maintains the X3D standard--a 3D file format and runtime specification that is open, royalty free and ISO ratified for transmission of 3D data over networks.