The term was coined by Harvard business professor Jeffrey Rayport to describe how good business techniques can be driven by word-of-mouth or person-to-person communication.

viral marketing

Explanation:

Based on the information provided within the question it can be said that the term that is being described is known as viral marketing. Like mentioned in the question this refers to a method of marketing where individual consumers share information regarding a product or service by word-of-mouth or person-to-person communication, mostly over the internet.

the correct answer option is b. a single paragraph.

explanation:

when you are thinking about paragraph​ topics, you should always choose a subject that can be adequately addressed in a single paragraph.

a paragraph is a piece of writing consisting of a few sentences that deal with a single theme. it has only a single idea that the paragraph revolves around and talks about.

so a paragraph topic must be chosen wisely where a single idea can be communicated in a single paragraph.

answer; bootstrapping is your answer;