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I made some simple grammatical corrections in the last sentence of the first paragraph of this article. 'Data' is a plural, so the verbs must be conjugated in the plural; in addition, hanging prepositions such as '...originated in' are poor construction. Sorry about not logging in to make these changes; I can't remember my user name. 24.54.17.140 (talk) 05:49, 22 April 2015 (UTC)