James Duchscherer said
9 months, 3 weeks ago: I haven’t seen the feature or used it yet, but according to an article on appadvice.com, http://bit.ly/MYLy42 ”On Facebook’s full site, you can save a post for later by clicking “Save” in that post’s dropdown menu. Shortly after saving your first post, a new “Saved” tab will appear under “Favorites” in your sidebar. You can access your saved posts by clicking the “Saved” tab.
I’m waiting for it to be available across Facebooks full system. I believe it’s only available on mobile at the moment.