Ads that were previously shown to the side of the results may in some cases appear below the search results, Google announced via Inside AdWords. Google reports that ad click-throughs are higher when the ads are integrated into the search results instead of being displayed on the side.
Google will now be classifying the ads as "Other" in your AdWords account. These are also known as experimental impressions, but should easily seen at the bottom of the page. Google should rename this from Top vs Side to "Top vs Other" in the coming weeks as not to confuse people.
Google has confirmed that ads will only be displayed on the side or at the bottom, at least for now. When ads appear on the right, no ads will appear on the bottom; when ads appear on the bottom, no ads will appear on the right.
Will this will work out for advertisers in the long run? I’ve found that 90 percent of clicks come the top three ad positions. The other 10 percent of all AdWords clicks come from rest of the ad positions. Now, 10 percent of the clicks can be a lot but when you're looking for the best clients and easiest to sell, those people are the ones that are clicking on the top of the page.
What do you think about the new changes to AdWords? Do you think these changes will help advertisers or hurt them in the long run?