This chapter discusses the increasing diversity in the US population and the need for intercultural communication. It notes that technological changes have made the world smaller and increased interactions between diverse groups. However, without effective communication, differences can lead to conflict as seen in ethnic conflicts around the world. The chapter then outlines several benefits of intercultural communication, including healthier communities, increased commerce, reduced conflict, and personal growth. It also discusses the growing racial and ethnic diversity in the US according to census data, with the Hispanic population increasing most significantly. The chapter emphasizes that competence in intercultural communication is necessary to manage diversity and global interactions.