Authors: Jean-Baptiste Michel; Yuan Kui Shen; Aviva Presser Aiden; Adrian Veres; Matthew K Gray; Joseph P Pickett; Dale Hoiberg; Dan Clancy; Peter Norvig; Jon Orwant; Steven Pinker; Martin A Nowak; Erez Lieberman Aiden Journal: Science Date: 2010-12-16 Impact factor: 47.728