> 1, 2, and 3 are actually all Apple policies. I basically said that. You echo the way I distinguished things: #2 and #3 are limitations on what Apple choose

> 1, 2, and 3 are actually all Apple policies. I basically said that. You echo the way I distinguished things: #2 and #3 are limitations on what Apple chooses to support (for somewhat reasonable technical reasons). I suppose you could call them "technical policy". #1 is a deliberate marketing choice to leverage the App Store to make developers improve support for new devices.