current Flash technology tends to discourage usability for three reasons: it makes bad design more likely, it breaks with the Web's fundamental interaction style, and it consumes resources that would be better spent enhancing a site's core value.
Since the BlackBerry Tablet OS is an open platform, it sets up a unique scenario where more than 350,000
current BlackBerry developers and an expanding community of Adobe
Flash / AIR, HTML5, CSS and JavaScript developers can leverage the
technologies they're already familiar with.