Dropbox has a desktop application for your Mac computer. When you download and install Dropbox Desktop Application on your Mac, it will create a special folder (Dropbox folder) on your Mac computer. You can make a shortcut to your Dropbox folder. To make a shortcut to your Dropbox folder, click on the Dropbx icon located in your menu bar and select 'Dropbox Folder' from the menu. When you add anything in this folder like photos, videos or files, they will sync to any of the phone, tablet or computer where you have installed the 'Dropbox Desktop Application'. Your photos and videos are automatically synced online and you can access them from anywhere in the world even if you are offline.