Two- or three-dimensional visual or audio items that support and enhance your speech by improving audience interest, comprehension, and retention are called

A central thesis of media multiplexity theory is that changes to the media landscape alter weak ties only minimally, but may change the nature of strong ties considerably.

a. true b. false

Which one of the following is an example of a “soft” budget cost?

a. in-house video production b. event costs c. vendor payments d. infrastructure expansion