salmonsnide

An even bigger problem is speed. It only runs at ~10% of native speed.

This is definitely cool, but I think something like Google's Native Client is needed to make C/C++ work on the web. Maybe Emscripten could be used as a fallback for browsers without NaCl support.

Things have changed quite a bit since 2004. The competition back then only offered a few mb.

In preferences there's an option to send usage statistics and crash reports to Google.

Why not implement it as an extension, like Chrome does?

Once Adobe adds WebM support in Flash, it might happen the other way around.

Adobe might help with the sandboxing of flash. Google could also be planning to use flash to help drive adoption of WebM.