Valentin Pletzer posted a screen shot on Twitter of Google testing a Google Ad in the people also view carousel. We've seen a people also considered ad carousel feature that Google was testing but now in the "people also view" box mixed with organic results as well?
Here is a screen shot of it:
I am not sure if this is a bug or a real Google user interface tests.
I personally cannot replicate this, can you?
Forum discussion at Twitter.