<i>In addition, active content must meet all Amazon technical requirements, not be a generic reader, and not contain malicious code.</i><p>"Not be a generic reader"?  That shoots my goals down, as well as shooting down the goals of anyone interested in really making the Kindle an open platform for reading.  I'd be willing to bet that will be arbitrarily extended to nearly any "reader" application that they perceive as threatening <i>any</i> of their market.