Dropbox

Dropbox is a great way to share file between multiple computers. It creates a virtual folder on your computer that synchronizes with other computers with Dropbox installed. No longer will you have to transfer files onto a USB key to make sure you have them on your laptop before you go on vacation, the problem with this is now you have multiple copies of the same file. Which one is the most up to date? Drop box gives you one place to put your files that you want access to from multiple computers. Get 2GB of space FREE!

https://www.dropbox.com/