Erin from PPC Hero writes another part to her Google experiment.  Read the full article to see what she found out.

“The end of June, I wrote about the new experiment settings in Google AdWords allowing you to test different elements in your account to see if the changes really do improve performance. For instance, you can choose to lower your bids by 30% and then see if you can still maintain the same level clicks at the lower bid. Since this isn’t yet available for everyone, I thought I would follow up my original post with some additional tips I learned along the way as well as my results.”

Read Full Article : here