a. Which of the following statements is true of voice mail technology? a. It makes it possible for people to participate on the Web. O b. It allows flexibility in staying in touch without the aid of a computer. c. It provides a platform for people with shared interests to communicate. O d. It has rapidly changing content that requires authorization to post. In a persuasive message, an effective introduction of a product, service, or idea: O a. is cohesive and action centered. O b. uses abstract nouns and passive verbs. O c. is written using a deductive outline. O d. describes an anecdote that is likely familiar to the audience