Anhui University of Finance and Economics Bengbu 233030 China;
Anhui University of Finance and Economics Bengbu 233030 China;
Anhui University of Finance and Economics Bengbu 233030 ChinaUniversity of Kansas Lawrence Kansas 66045 USA;
Anhui University of Finance and Economics Bengbu 233030 China;
Mobile social network; privacy policy; personalized privacy preference; models;