Proactive open source: a web 3d plugin

As developers, we often see technical advancements coming, when we think "I wish this platform would let me do X so I could build this awesome app!" And eventually, some company comes along and puts in the effort, and captures the market with a problematic, proprietary solution -- enough is enough. Web 3D is something that's been way too long in coming, and I say its time is now. No more waiting, no more "this is highly experimental stuff." Let's build a plugin that gives developers the basics, and a small number of other features, that we can build a first generation of killer apps on -- the rest will come with updates, which are painless once the plugin gets installed. Let's distribute the hell out of it, a la Firefox, and let's put it out there GPL'd, for all to see, hack, break, and make better. Any takers?