Distance Learning
作者：Teresa Pelkie
1. Learning group is separated
2. Institution-based
3. Past
3.1. correspondence schools
3.2. television
3.3. radio
3.4. disks / CD
4. Present
5. Connects learners, resources, and instructors
6. Interactive telecommunications systems
7. Future
7.1. hand held devices
7.2. 4G + connectivity everywhere
7.3. enhanced voice / video
