Mark up screenshots

You can edit and mark up screenshots as soon as you take them, which can be a great time-saver. as soon as you have taken a screenshot (press and hold the sleep/wake and Home buttons together), a thumbnail of the image will appear in the lower-left corner. tap on this and the image will be opened in markup mode in which you can add annotations and more. and, for the record, the thumbnails don’t show up in any subsequent screenshots that you take.