Global public relations comprises planned efforts by companies, institutions, or governments to build relationships with publics in other nations. This field has expanded due to technological, social, economic, and political changes that demonstrate public relations is essential to advertising, marketing, and diplomacy. Some nations with well-developed public relations industries include China, Thailand, Japan, and Mexico, while global corporations must consider new communication technologies, strategic mediums, cultural dimensions, language barriers, and providing public relations services to foreign markets and governments.