FREE EASY TO USE FILE SHARING PERSONAL CLOUD SOLUTION : INFORMATION ABOUT BOX

Box (formerly Box.net) is an online file sharing and personal cloud content management service for businesses.

The company adopted a freemium business model, and provides up to 10 GB of free storage for personal accounts. There are official clients offered for Windows and OS X, 

A mobile version of the service is available for Android, BlackBerry, iOS, WebOS, and Windows Phone devices. The company is based in Los Altos, California.

OpenBox

In December 2007 the company announced OpenBox, which connects content from Box with other web-based applications and services. Included were online services EchoSign, Autodesk, Zoho, ThinkFree, Scribd, Picnik, Zazzle, Twitter and Myxer. Since then, OpenBox added NetSuite, Salesforce, Google Apps, FedEx, MindMeister, Fuze Meeting and others.
OpenBox allows developers to create services that interact with files on Box.com. The application programming interface is implemented over conventional XML.

www.box.com