1 | Asynchronous Instruction: Students browse material independently from each other and from teacher. Communicate through generalized email such as threaded discussion lists (as in Lotus Notes) or MOO's |
2 | Synchronous Instruction: As in a classroom teacher and students interact in real-time exchanging information by audio, video and documents. Microsoft NetMeeting, NPAC Tango and NCSA Habanero implement this digitally |