Facilitator can distribute information such as visual or procedural concepts that are hard to express in textbooks. Supplemental video may help learners whose basic learning style is not text-based. If all the students view the same material, discussion questions or projects can be assigned to generate discussion on the topic and the information will be presented equally as well as using a textbook or related articles. If broadcasting through web, wave or satellite is available, the information can be distributed asynchronously, and each student can view the material at his or her convenience. TV broadcasts can be recorded for later study or review.
Some programs are only available at certain designated times.
VCR tapes can only be distributed by mail or retailing network. When distributed via the WWW, video files are extremely large, require long download times, and use substantial memory. Audio files can be downloaded from the Internet. If all the students listen to the same material, then discussion questions or projects can be assigned to generate discussion on the topic, the information will be presented equally as well as using a textbook or related articles. Radio broadcasts can be recorded for later study.