Ads depend on your location etc. We have had a discussion about this same example before and plenty of people got similar results: https://news.ycombinator.com/item?id=6533287 e.g. http://i.imgur.com/mhJhc5W.png and http://i.imgur.com/2iFv7Yf.png
And for what it's worth, this is the result I got just now in the UK: http://i.imgur.com/YHXngwR.png