During the last decade, Web 2.0 applications, including blogs, wikis, social networking, social bookmarking, media sharing, podcasting, etc., have received intense and growing educational and research interest (Clark et al. 2009; Ravenscroft 2009; Schroeder et al. 2010). It is widely considered that Web 2.0 applications, while not designed specifically for educational purposes, have a number of...
