Summary Box: Baidu profit up, more growth forecast

MORE PROFITS: Baidu Inc., which operates China’s most popular search engine, says its quarterly earnings grew 80 percent.

DRIVING FORCE: Strong growth in usage helped drive advertising revenue higher.

MORE GOOD TIMES AHEAD: The company forecast more strong growth, saying it expects revenue in the current quarter to rise by up to 85 percent.

THE BACKDROP: Baidu has steadily increased its market share since Google Inc. closed its China search engine in March 2010 after saying it no longer wanted to cooperate with the communist government’s censorship rules.