A couple of blogs (below) give credit to Matsumoto (author of the Japanese blog): http://obamapacman.com/2011/10/subtle-differences-of-ios-5-vs-ios-4/ http://o

A couple of blogs (below) give credit to Matsumoto (author of the Japanese blog): http://obamapacman.com/2011/10/subtle-differences-of-ios-5-vs-ios-4/ http://obamapacman.com/2011/10/subtle-differences-of-ios-5-v... http://usersillusions.com/post/11948201269/apple-has-made-some-very-subtle-updates-to-the http://usersillusions.com/post/11948201269/apple-has-made-so... And here is a another site discussing the same images without any attribution. http://www.ipad2iphone5.com/these-ios-5-changes-are-you-certainly-not-know http://www.ipad2iphone5.com/these-ios-5-changes-are-you-cert...