Complex sentence: In short time, Qihoo 360's security products gained its popularity and market share in China, the revenues are then generated by leveraging its massive user base through online advertising and services like online games, remote technical support, and system integration.
Split into simpler sentences: In short time, Qihoo 360's security products gained popularity and market share in China. The revenues are generated by leveraging its massive user base through online advertising and services like online games, remote technical support, and system integration.