native speaker: a speaker of a language who has spoken it since earliest childhood
sovereign state: a place with borders where people live and where a government makes laws
primary: main, chief, major, principal, of first rank.
controversial: describes something that people may disagree strongly about
lingua franca: a common language used by speakers whose native languages are different
consider: think carefully about something
economic: describes things that have to do with getting wealth
global workforce: all the workers in the world connected by a network of production. some employed by multinational companies, immigrant workers, transient migrant workers, telecommuting workers, those in export-oriented employment:; being able to speak the same language is helpful...
digital age: also called the Information Age, the Computer Age, a time in human history with a shift from traditional industry to an economy based on information on computers.
worldwide web: an information system on the Internet that allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another.
advantageous: beneficial, good, favourable
internet traffic: the amount of data sent and received by visitors to a website
academic: relating to education and scholarship
instruction: a direction or order
social: relating to society, that is, people living together in a community
entertainment:  something that gives amusement or enjoyment
export: send goods or services to another country for sale
film industry: all the companies, studios, people etc involved in making commercial films
subtitle: words at the bottom of a movie or TV screen that tell what the people are saying