Box Takes Another $125 Million—and Why Not? - Businessweek

As with Dropbox: still tbd if it's a product or a feature

"Things, however, have gotten awfully serious at Box. On Tuesday, the company announced that it has raised a further $125 million—$100 million of which will come from investment firm General Atlantic. How much has Box raised to date? “This brings us to $280 million or so,” Levie says.
Box plays in the crowded field of online storage and file-sharing companies. Ventures such as Dropbox mostly help people sync their files across a bunch of computers and devices, and others like YouSendIt help people transmit really large files across the transom. About 50 other companies perform these tasks and more in variouscombinations."

Box Takes Another $125 Million—and Why Not? - Businessweek