Operating margin or operating profit margin measures what proportion of a company's revenue is left over, after deducting direct costs and overhead and before taxes and other indirect costs such as interest. Operating margin formula is:
Snapping an app resizes the app to 320 pixels wide, which allows it to share the screen with another app. Snapping enables two apps to be visible at the same time, so the user can truly multitask. Be aware that snapping is not available for devices with under 1366 pixel horizontal resolution.
Snapchat is unique in that all photos and videos only last a brief amount of time before they disappear forever, making the app ephemeral in nature, though users can take a screenshot to save snaps. As of May 2014, the app's users were sending 700 million photos/videos per day.ending Stories. To send a story, which is basically a snap that exists for 24 hours and can be mass-sent to all your friends, tap the story button from the preview screen. It's right next to the download button. If you send a story, your friends will be able to view it an unlimited number of times in one day.