Esteban Romero-Frías (erf @ ugr.es; http://estebanromero.com; @polisea) is assistant professor at the Department of Finance and Accounting at the University of Granada. He carries out research in two main fields: (1) the application of Webometric techniques to business, and (2) the impact of Web 2.0 in higher education. Since 2007, he uses blogs, wikis and social networks in his courses. He coordinated six innovative learning projects based on Web 2.0 tools at the University of Granada. Among them, he worked in the design of Personal Learning Environments and coordinates Descuadrando.com, the open encyclopedia on business, where gamification techniques are explored.