Here's an interesting stat -- 26% of the video on the Web is iPad-ready, according to Mefeedia, a firm that supposedly monitors online video around the Internet. You may think that's low (that means 74% of the web can't be seen on the iPad), but that number actually represents a good amount of growth, as just a scant few months ago, only 10% of Web video was iPad-accessible, or encoded in H.264 or HTML 5, not Flash.
Mefeedia also says that most new video is available in HTML 5 -- it's more or less the archives that haven't been converted over yet. The survey itself encompasses over 30,000 different sources, from partnered sites like Hulu, CBS, and ABC, as well as popular video sites like YouTube and DailyMotion. Mefeedia says it expects to "see a new level of engagement" with online video, and that when that surge of interest comes, it'll be supported by HTML 5. Adobe probably won't like hearing that, but then again, they've still got a big majority of the video, so we guess it's up to them to lose it.