Just like to introduce one nifty tool that i have just discovered a few days ago called Dropbox. Basically a program with a very small footprint that allows you to store your files online. Now I have been using humyo.com for a while now, and i do find the former much better. Plus the latter have been slow to provide a stable platform for Mac users like me. Dropbox is suitable for Mac, Windows and even Linux users! What can I say....uber cooool! The best part about using this tool is that your 'DropBox' will be a folder on your desktop (my preference) or anywhere that you would want to access within your system, and you can just drag and drop files into this folder, and it will then automatically synchronize the online and local versions of this folder/s! Here are some screenshots from my system:
Notice the status indicator on the menu bar of my Mac system.