Invaluable Company Information--on a Memory Stick?

An increasing amount of valuable business information is being stored at the 'edge' of the corporate network on laptops, PDAs, home computers, and USB memory sticks. As this data is typically collected and generated by customer- and partner-facing employees, it tends to be high in commercial value; yet one would hardly think so judging by the way organizations often fail to protect and secure it.
Source: CBR Online, http://cbronline.com