What earnings reports have revealed about ads

Here are highlights of recent quarterly earnings reports from selected Internet, media and advertising companies and what they say about the state of spending on advertising:

Thursday: Google Inc. says advertising revenue grew 33 percent to $9.3 billion during the third quarter, thanks to the reach of its search engine and the effectiveness of its ads. The growth comes despite mounting worries about the economy. Google got 96 percent of its revenue from advertising that quarter.

Coming up:

Monday: Gannett Co.

Tuesday: Yahoo Inc.

Thursday: Microsoft Corp., New York Times Co.

Friday: McClatchy Co.

Nov. 2: Time Warner Inc.

Nov. 3: IAC/InterActiveCorp, CBS Corp.

Nov. 4: The Washington Post Co.

Nov. 10: Viacom Inc., The Walt Disney Co.