this is how a day-page ‘talk’ in the community-wiki would look like
Other than the changes to the wiki showing only the page summary day-pages include the full text of pages. This page is an example for a day-page talk.
It is included into the facebook - page community-wiki. Only day-pages talk in the community-wiki are included into the facebook page. A “like” for the page on facebook makes the talk posts in the wiki appear in your facebook account.
Read more about including popular web-services into the community-wiki.