Encrypt your file with the Dropkey app fro itunes, free download
This is a limited time offer that will not last for long. DropKey is an encryption app that allow you to encrypt your files by simply dragging and dropping them. If you are a business person and want to make sure that you share files with your colleagues knowing that nobody else can have access to them, then you need to encrypt them. What easier way to encrypt if not with DropKey. You will have the chance to try it for yourself, Since it is free for now. Keep in mind that the developer usually sells this app for $20 so if you don't quickly download it, you will have to pay that much later on.