11. A computer-aided group-learning system as recited in claim 1 further comprising a notepad for a user to take notes.
11. A computer-aided group-learning system as recited in claim 1 further comprising a notepad for a user to take notes. 12. A computer-aided group-learning system as recited in claim 11 wherein the system is configured to allow the user to cut materials the user has received, and paste the materials in the notepad.