Microsoft is using the same "walled approach" in Windows Phone 7. And Apple is using the same "open development initiative" approach in OS X. I'm curious as t

Microsoft is using the same "walled approach" in Windows Phone 7. And Apple is using the same "open development initiative" approach in OS X. I'm curious as to why you feel that "(Apple's walled garden approach) is much more anti-competitive than whatever Microsoft did" when Microsoft is pursuing the same approach in the same space.