Yahoo Search Sticks It To Advertisers

Again this year, I received an e-mail note from Yahoo:
Dear Product Submit advertiser,
From November 3, 2008, until December 31, 2008, Yahoo! will be making a seasonal rate adjustment by increasing the cost per click (CPC) by 25% in all categories. This means that during this period your actual billed CPC will be 25% higher. This [...]