After your ICloud email login and after the iCloud sign-up, of course, you can avail many features. You can look at pictures in the library and you can choose to share them with people who are close to you. It doesn’t matter when the pictures were taken, you can still view them. It also gives you the option to share the pictures from any of your devices. It saves space on your device by naturally transferring the original, Full- resolution photographs to iCloud.