Selected answers from the Dumb SEO Questions G+ community.
Randy Milanovic: Can snippets like these mentioned by + improve a new real estate site's ranking opportunities?
Barry Schwartz: Google adds a Snippet Carousel and shares how to help Google figure out which images and articles to show...
Edwin Jonk: There is probably an opportunity for everyone. However I don't think real estate listings are content that googlebot has in mind. Namely to hint to googlebot that you want to be in this carousel you need to add ; . ;
This is the same schema that is used for in-depth articles . Therefore, my guess is that the two are somewhat connected. ;