It may be necessary to get permission to re-post or distribute materials that are not in the public domain. Transmitting materials over the Internet involves not only the copyright holder's rights of reproduction and distribution, but also the rights of public performance and display, so that each transmission may result in multiple copyright infringements. Legislation in this area is still evolving. The Copyright Web site. Displays of materials related to the class may still be shown, such as pictures, slides, graphs and other still material.
Performances are limited to nondramatic literary or musical works.
Excluded dramatic works would include stage plays, musical theater, or opera. Unfortunately, audiovisual materials, such as videorecordings and filmstrips, cannot be used in distance learning without copyright permission. U.S. Copyright Act. These guidelines provide the minimum standard for educational fair use. Illustrations are restricted to one per book or periodical issue.