Do these guys live on some other planet? These are technologies that people need NOW. Browsers are already implementing them. By saying that it won't be ready for 5 years is ridiculous. By the time that the standard is published, it won't be the standard that people use. W3C needs to get off their ass and see what is happening on the web TODAY, and set the standard for TOMORROW.
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Their idea of an offer you can't refuse is an offer... and you'd better not refuse.