Google Ads seems to be testing a “show similar” button in the product carousel of sponsored listings. When you click on the “show similar” button, you are presented with a new dynamically loaded carousel that shows more products like the one you were looking at.
This was spotted by Saad AK on Twitter – here is a screenshot from his video cast:
I just see the “shop now,” I do not see “show similar.”
Here is his video cast:
We’ve seen other examples from Google of shop similar and similar products recently as well.
Forum discussion at Twitter.