There are three certainties in life. Death, taxes, and Google keeping marketers on their toes. If you’ve been paying attention the past few months, Google has been testing placement of four ads instead of three above the organic listings on the search results pages and removing all of the ads on the right-hand side of the results.
What are the Specifics?
There are now four text ads instead of three for what Google considers to be highly commercial queries—meaning that not all searches will result in four ads above the organic listings