According to the authors, finding out more about the author of the information you want to include in your speech is one way to assess source

Maria told her friend, "Old people just can't drive!" This comment illustrates

a. ageism. b. sexism. c. able-ism. d. racism. e. heterosexism.

A camera-stabilizing system introduced by Garrett Brown worn by the operator for steady camera movement.  

A. Steadicam B. Pull-out C. Crane D. Dolly