Here's a great article I was just reading about split testing one of the important pieces of the PPC puzzle. I never do it but I'm going to start after reading this. Makes so much sense.
<a href="http://www.clickconsultants.com/split-testing-ads-the-how-the-why-and-the-when">Split Testing Ads - The How, The Why, and The When!</a>
<a href="http://www.clickconsultants.com/split-testing-ads-the-how-the-why-and-the-when">Split Testing Ads - The How, The Why, and The When!</a>
