That's quite useful, especially if you have a fast changing newsfeed, and i'll be keen to put it to good use.
Every day, people find all sorts of interesting items on Facebook that they donít have time to explore right away. Now you can save items that you find on Facebook to check out later when you have more time. You can save items like links, places, movies, TV and music. Only you can see the items you save unless you choose to share them with friends.Facebook Adds Save Items For Later Reading [newsroom.fb.com]
Save will be available to everyone on iOS, Android and the web over the next few days.