Your URL is broken. The full URL is: http://www.apple.com/pr/library/2011/06/06New-Version-of-iOS-Includes-Notification-Center-iMessage-Newsstand-Twitter-Integ

Your URL is broken. The full URL is: http://www.apple.com/pr/library/2011/06/06New-Version-of-iOS-Includes-Notification-Center-iMessage-Newsstand-Twitter-Integration-Among-200-New-Features.html http://www.apple.com/pr/library/2011/06/06New-Version-of-iOS... From the URL: "iMessage also features delivery and read receipts, typing indication and secure end-to-end encryption." And thanks for the link!