As Rob tells a long story, Nicholas rolls his hand to indicate that Rob should finish so

Nicholas can speak. Nicholas's gesture is a(n)

A. affect display.
B. accentor.
C. illustrator.
D. regulator.

D

Communication & Mass Media

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Due to economies of scale, the final price of technologies typically end at about _________ of the price when the technology was initially released commercially

a) half b) a quarter c) a tenth d) a hundredth

Communication & Mass Media

By 2012, ______ was the most popular way to watch movies at home.

A. VHS tapes B. DVDs C. blu-ray discs D. streaming video services

Communication & Mass Media