If you work on multiple computers, you probably need a way to get ahold of your files and documents. You could email them to yourself, put them on a USB drive, or use a file server, but it might be easier to use a free service called Dropbox. This service allows you to stick a folder on each of your computers. Whenever you drop a file or document in your Dropbox folder, it’s synced onto every computer where Dropbox is installed.
The cool part is that Dropbox updates whenever you make a change to your documents, so you know you’re working on the latest version. It also allows you to access your files and documents through a Web interface, and it even allows you to recover documents you’ve deleted or changed.
You can also use Dropbox to share files with other users, so it might be a good solution for a collaborative project or to share photos. It works on both Windows and Mac. I learned about Dropbox through Pattern Recognition, whose owner uses the service to set his desktop wallpaper across multiple machines.