Here are some screenshots of ZendTo in action. Click on each image for a full-size picture.

The home page, as seen by users on your site.
An external user proving who they are.
Dropping off some files for other people.
The summary of a drop-off.
Inviting a customer to send you some files.
What you can tell the customer over the phone so they do not need to wait for the e-mail to arrive with the link in it.
The "Library of Files" feature in use when creating a new drop-off.