i gather from my own experience, actually the last 24 hours, that some apps connect me to someone, somewhere [audience member]: who sends me emails offering further services [speaker]: it might send you notifications, it's called a push notification, you'll see it come up at the top of your screen [speaker]: or maybe a little dialog where you have to hit ok [speaker]: these are notifications that apps send you, it's kind of like a text, really [speaker]: it can send you an alert [speaker] e.g. if you're playing a game and the app is not open but someone else makes a move [speaker]: that app can still send you an alert saying "you have a new move" [audience member]: my question went a different direction [audience member]: if you accept an app, you are also perhaps sending a message somewhere so that someone knows "hey, this person's interested" [audience member]: