And IF it turns out that this 30% cut applies to all ebooks sold, I'd expect the big vendors to move to HTML5 web-based apps, which I understand could allow a certain amount of caching for offline reading.
Amazon already have the beta version of their web-based Kindle browser up, and there's time to develop that further before June 30th.
They could also get together to promote a central web app 'market' (effectively just links), to compete with the device-specific markets across all devices with HTML5-compatible browsers.
Graham
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