The British Council says "English is the main language of books, newspapers, airports and air-traffic control, international business and academic conferences, science, technology, diplomacy, sport, international competitions, pop music and advertising.

Over two-thirds of the world's scientists read in English. Three quarters of the world's mail is written in English. Eighty per cent of the world's electronically stored information is in English. Of the estimated forty million users of the Internet, some eighty per cent communicate in English, but this is expected to decrease to forty per cent as speakers of other languages get online."

During the last twenty years, Europe and the whole world have experimented great economical, social and political changes, leading to deepest relations between the different nations that, in our immediate environment, form this twenty-seven member states of the European Union. 

The free movement of services, people, and capital involve an increasing needing of exchanging documents of all kinds, with special weight in most extended languages in the European Union, used to communicate between economical and social agents.