While we detailed a number of new features of iOS 7 beta 2 earlier today, a MacRumors reader sent us a tip on a small change that has gone unnoticed since the first beta was released on June 10. In iOS 7, screenshot behavior has been altered, and as the release notes state, "Active touches are no longer canceled when the user takes a screenshot." This minor change has a number of implications for several apps that rely on screenshots to notify users of unwanted behavior, such as Snapchat and Facebook Poke. When a user opens a Snapchat photo in the app, a finger is required on the screen to hold the photo open while viewing the picture. The act of taking a screenshot interrupts the picture viewing and closes the photo, which is the method that Snapc
