Identify the online service mentioned where advertisers bid on keywords for searches or for what is known as “context-sensitive” advertising

Verbally saying "it's over there" and pointing our index finger is an example of "regulating."

Indicate whether this statement is true or false.

When using an audience response system, which of the following do audience

members need? a. Flippers b. MP3 players c. Clickers d. Smart phones