Using video to enhance business messages

A) has become difficult and expensive, since audiences now have such high expectations.
B) is generally a bad idea, since it takes away from the main idea.
C) is easier than ever, thanks to low-cost video cameras and video sharing sites such as YouTube.
D) is effective for tech-savvy audiences, but a turn-off for most others.
E) has replaced almost all written documents

C
Explanation: C) YouTube now offers branded channels that allow companies to feature all of their videos in a single location. For example, a power tool company might have a branded channel that features how-to videos for using their equipment.