Last week, we reported that AdWords was making updates to Quality Score and Ad Rank. The update included how ad position affected click-through rates and factored into Quality Score. But many of us were not sure exactly what changed since ad position influence has been taken into account for awhile now.
Google is now clarifying that update. Here's the word straight from the horse's mouth:
We also wanted to emphasize that AdWords has always accounted for the influence of ad position on CTR and removed it from the Quality Score. This specific improvement updates this system to make it fresher and more accurate.
Also, the updates are now live.