QIHU [Qihoo 360 Technology Co] SC 13G: SCHEDULE 13G (Amendment No. )* QIHOO 360 TECHNOLOGY
[SCHEDULE 13G (Amendment No. )* QIHOO 360 TECHNOLOGY CO. LTD. (Name of Issuer) American Depositary Shares, (Title of Class of Securities) 74734M109 (CUSIP Number) December 31, 2013 (Date of Event which Requires Filing of this Statement) [X] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) The remainder of this cover page shall be filled out for a reporting]