B. J. Fogg Daisuke Iizawa Online Persuasion in Facebook and Mixi: A Cross-Cultural Comparison. 35-46 2008 PERSUASIVE http://dx.doi.org/10.1007/978-3-540-68504-3_4 conf/persuasive/2008 db/conf/persuasive/persuasive2008.html#FoggI08