Dropbox

Dropbox is a Web-based file hosting service operated by Dropbox, Inc. that uses cloud storage to enable users to store and share files and folders with others across the Internet using file synchronization. It was founded in 2007 by MIT graduates Drew Houston and Arash Ferdowsi as a I Combinator startup.

There are both free and paid services, each with varying options.In 2011 Dropbox also announced "Dropbox for Teams", a Dropbox service focused towards businesses and collaborative teams providing administrative control, central billing etc. Dropbox for Teams is still hosted on the web but has different pricing model.