We live in the digital age where practically all of our media is stored digitally. I would imagine that most of us don't backup the files that are most important to us. Dropbox is a great tool for backing up files and making files available to you across multiple formats.

~How It Works~
First of you have to download Dropbox which can be done by visiting their website http://www.dropbox.com. You then have to register an account. This process of downloading and installing Dropbox and registering is all pretty straight forward and takes about 10 minutes.

Once you have Dropbox installed and an account you can start to upload files to your Dropbox. You can simply drag and drop or copy and paste the files from your computer or mobile phone to the Dropbox folder. You can also upload files using the Dropbox website which is very easy too. If you have ever uploaded a picture to Facebook, you are move that capable of uploading a file to your Dropbox.

Dropbox is completely secure. You need a username and password to log in and you decide who you share your files with. You can keep them all private or you can share certain folders with family and friends. My parents aren't on Facebook and I find this is a great way of sharing holiday snaps with people without having to email them.
You might say, why not carry a USB pen drive around with you, it's small and light weight. With Dropbox you don't have to worry about losing your USB pen drive and even if you lost your mobile phone or laptop your files would still be accessible over the web. It's a pretty say bet that the internet isn't going anywhere!

~What Does it Cost~
You get 2GB of space for free. Do give you an idea this is probably around 400 - 500 MP3's. You can also choose to upgrade to a larger storage capacity and the rates are pretty reasonable. I suppose it depends on the price you put on having your data backed up and available to you while you are on the move. 50GB costs $99 per year and 100GB costs $199 per year. If you refer a friend you normally get a little extra space too for free, around 200MB.

~Summary~
I have Dropbox installed on my Laptop at work, laptop at home and my mobile phone. This is a great tool which offers you great flexibility. Whenever I go on holiday I make sure I have important docs saved to my Dropbox so I can access them in emergency. All I need is a phone signal or an internet cafe.

It's free so why not give it a try.