It was, as we know, not so much eradicated as replaced by a Communist orthodoxy after 1949. And when this orthodoxy began to lose its grip on the Chinese public after the death of Chairman Mao in 1976, Chinese officials struggled to find a new set of beliefs to justify their monopoly on power. The ideological hybrid that followed Maoism was "Socialism with Chinese Characteristics," a mixture of state capitalism with political authoritarianism.

Battling the Information Barbarians China often views the ideas of foreigners, from missionaries in the 17th century to 21st-century Internet entrepreneurs, as subversive imports. The tumultuous history behind the clash with Google.