Standard American English (SAE) is not a product of the same process that creates and continues to change regional and social varieties of American English and, at a larger scale, American English itself in that it can be distinguished from. British English and other World Englishes. Regional and social varieties and the American variety as a whole derive from the massive number of interactions in English conducted by members of regional and social groups, and, at the top level of scale, by all participants in American culture. SAE, on the other hand, is an institutional construct. It has no native speakers. It is, however, a fact of life for American speakers in formal settings, especially in the educational system.