The Grio reports:

New research conducted by scholars at the Georgia Institute of Technology shows that African-American cities are the source of much modern slang. Leading a team of colleagues, Jacob Eisenstein analyzed Twitter data collected between December 2009 and May 2011 in order to track the origin and proliferation of new terms such as “bruh” — an evolution of “bro” — and the acronym “ctfu.” This abbreviation for “cracking the f*** up,” for example, was found to have originated in Cleveland, Ohio before initially spreading to Pennsylvania, data has shown.

By delving into the nearly 40 million tweets collected, Eisenstein has demonstrated that “big African American populations tend to lead the way in linguistic innovation,” according to New Scientist magazine. The researchers cannot yet explain why this influence flows in this manner, or which black locales are the most influential.

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