Consistently, prior research found that perceived ease of use and perceived usefulness have positive effects on intention to use mobile commerce system (Wu and Wang, 2005). Hossian and de Silva (2009) revealed that perceived ease of use and perceived usefulness positively impact behavioral
intention to use social network service. They also found that behavioral intention positively affects actual use of social network service. Likewise, Kwon and Wen (2010) found that perceived ease of use, perceived usefulness have positive effects on actual use of social network service. Moreover, these researches also found that perceived ease of use positively affects perceived usefulness. Therefore, hypotheses 1, 2, and 3 are supported.