Google is switching up how it displays ads on desktop searches, removing them from the right-hand side of results and putting them only at the top and bottom of the page.
Why Google is taking steps back to ads from the right hand side of search result. Google is switching the ads only on the top and bottom of the page. Earlier google used to display its ads on the right hand side of the result. This change was first noticed by The SEM post with google and later it was confirmed by the google itself.
Google used to show its add on the top , bottom and right hand side result based on the specific query
It has brought..but on other side it has leave the sidebar free from Google's product listing ads As they told us about their removal of queries , while fourth additional will be placed on the top of the pages for looked it to attractive where the layout is able to provide more relevant result. All new add related to hotel and insurance. They are testing this site from long time.