"Trends" is a science fiction short story by American writer Isaac Asimov. It was first published in the July 1939 issue of Astounding Science Fiction and was reprinted in Great Science Fiction Stories About the Moon (1967) and The Early Asimov (1972). "Trends" was the tenth story written by Asimov, the third to be published, and the first to appear in Astounding, then the leading science fiction magazine. Source: Wikipedia (en)