Zengyan Cheng Yinping Yang John Lim Cyber Migration: An Empirical Investigation on Factors that Affect Users' Switch Intentions in Social Networking Sites. 1-11 2009 HICSS http://dx.doi.org/10.1109/HICSS.2009.140 conf/hicss/2009 db/conf/hicss/hicss2009.html#ChengYL09