DROPBOX

Dropbox is a Web-based file hosting service operated by Dropbox, Inc. that uses cloud computing to enable users to store and share files and folders with others across the Internetusing file synchronization. It was founded in 2007 by Drew Houston and Arash Ferdowsi .

There are both free and paid services, each with varying options. In comparison to similar services, Dropbox offers a relatively large number of user clients across a variety of desktop and mobile operating systems. There are a total of 10 clients, including versions for Microsoft Windows, Mac OS X, and Linux(official and unofficials), as well as versions for mobile devices, such as Android, iPhone, iPas and BlackBerry, and a web-based client for when no local client is installed. Dropbox uses the Freemium financial model and its free service provides 2 GB of free online storage. The service's major competitors include Box.net , Sugarsync, Mozy, and Zumo Drive.