What can you do using this application?3. Does the application require that you and other users both be online at the

same time?

 If so, how does the application figure out that you’re both available?

. How does the message get from your computer to someone else’s (or viceversa)?

 Is it stored anywhere along the way? Who could listen in or read it if

they wanted?

. How – in a very general sense – is the content encoded? Is it human-legible?

Does its quality suffer in transit?