This is a ways off but...
in a class...all students have laptops...they are all connected to a network via wifi, teacher clicks a button and it goes out to everyone
to prevent people on the network in other classroms getting the assignment each laptop has a gps that repots its coordinates to a server and only systems withing the geographc region that is the classroom recieves the file.
furthering this gps navigation, during the class a student would have to log into a program that limits their applications, it would not be required but doing so would result in a positve value for attendance of the class
