<img alt="" height="1" width="1" />As Wikipedia Gets Pickier, Editors Become Harder To Find WBUR Wikipedia founder Jimmy Wales speaks during "Wikimania 2012," an international Wikimedia conference, in Washington, D.C. (Mandel Ngan / AFP/Getty Images). Admit it. You've used the free, crowd-sourced entries of Wikipedia to brush up on history or look ...