According to the third and fourth paragraphs,...

new technology has allowed people all over the world to have access to standard English as spoken in English-speaking countries.

as more dictionaries and grammars are produced based on corpus research, non-native speakers have more reliable learning tools to learn correct English.

the use of copy editors associated with new technological advances such as computerized corpora allows learners to have more correct models to imitate.

the English used in broadcasting has been more widespread all over the world because of the increased use of modern technology and has become the model for teaching.

as more people abroad have access to English as spoken by native speakers it becomes more difficult to continue with the idea of a standard form to be taught.