ACCORDING TO PARAGRAPH 2, WHAT IS TRUE ABOUT INSTAGRAM AND TWITTER I...

Câu 21: According to paragraph 2, what is true about Instagram and Twitter in the stated instance? A. Prior to their advent, there were already several competitors in the field. B. They are the one and only companies providing such revolutionary services. C. Their reputation famously preceded even the 4th Industrial Revolution. D. They were the trailblazers for the experience-oriented marketing strategy.