Google is testing the Things to know search refinement expander feature in a carousel format. Normally, the Things to know is in this list format but here Google is testing it in a carousel format.

Microsoft Bing is testing a carousel format and user experience for the people also ask. Normally we will the people also ask in a list view, but the carousel test gives you the question and answer ...

Facebook is happy with the performance of its “carousel” ads -- so much so that’s it is expanding the multi-image format to mobile. On mobile, the carousel format can support up to five images with ...