Older entries:

• Ask.com Advertises on Google.com To Promote Search Quality of Engine | October 18, 2006
• Ask.com to Upgrade Sponsored Search Program | September 29, 2006
• Dynamic Phone Numbers & Extensions For Your PPC Campaigns | September 26, 2006
• Viewing Google AdWords Ads in Other Countries & Languages | August 28, 2006
• What Would Cause "No Such Link" to Display on adCenter Click? | August 16, 2006
• Yahoo! & Checkmate Click Fraud Settlement Notices | August 16, 2006
• Microsoft adCenter to Launch in the UK this Week | August 14, 2006
• AdWords Invalid Clicks Claim Form Due Tomorrow | August 3, 2006
• Search Engines Form Pact to Fight Click Fraud | August 3, 2006
• Does Google AdWords PPC Prices Affect Yahoo! Search Marketing's Prices? | August 3, 2006
• Microsoft adCenter Upgrades; Including Firefox Support | August 1, 2006
• AdWords in Google Web Search Versus Google Maps | August 1, 2006