There are like a million Facebook apps. Some of them are more or less important. However there are such which are almost indispensable. Facebook Moments became vital to every Facebook user with plenty of photos. Facebook changed hugely policy so if you want to manage a lot of photos you should go for Moments. Now there are like two or three major improvements. The first one called Joinable Moments will allow you to share your photos even with Facebook non-users. Which is big change. Until now you needed to log in via Facebook. Also now you can save any photo from your friend into favourites. And no matter how many there will be of them. All of them will be in full resolution.