Dropbox is a free service that lets you access your photos, documents, and videos anywhere and share them easily. Never email yourself a file again!
There are a number of versions of Dropbox available across many operating systems, including versions for Microsoft Windows, Mac OS X, and Linux. As well as versions for mobile devices, such as Android, Windows Phone 7, iPhone, iPad, WebOS, and BlackBerry, and a web-based client for when no local client is installed.
Dropbox offers a free service which provides 2 GB of free online storage. Users who refer Dropbox to others can gain up to 8 GB of additional free storage.
So how does it work?
Install Dropbox on your pc and on your mobile. Setup your Dropbox account on both installations. Drop a file in your Dropbox on your pc. As long as you have internet connection this will sync to your Dropbox account. Open Dropbox on your mobile and force a sync and as long as it can get on the internet is will pull a copy of the file to your mobile.