Facebook is testing a new "threaded comments" feature that allows users to reply to specific comments on busy posts.
Currently, comments to a posting are added at the bottom, even if they are specifically about one certain comment another Facebook user wrote. This could be especially handy on extremely busy Facebook pages hosted by celebrities or companies.
You might not be able to see the proposed feature in action at this point. Facebook says it's being tested on only 30 pages.
My account is currently able to see the feature on the page for New York Times columnist Nicholas Kristof.
Several comments appear below his posts. Those comments show the number of "Likes" they have received, but unlike the current comments feature, they also show how many replies they've received.