http://www.flashcardexchange.com/tag/looked-up www.flashcardexchange.com: looked-up Flashcards en-us Mon, 28 May 2012 07:12:35 PDT Mon, 28 May 2012 07:12:35 PDT support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/836243 Most Frequently Looked-Up Words on NYTimes.com, 2009 Taken from the PDF found here: http://www.niemanlab.org/2009/06/ny-times-mines-its-data-to-identify-words-that-readers-find-abstruse/ 2009-07-09 http://www.flashcardexchange.com/flashcards/view/836243