This method allows the transmission of coded data representing a sequence of digital images. A central server is used to turn on a virtual machine. The operating system immediately terminates the application if the operating state associated with the application indicates that the application is safe for a sudden termination. This other etch can be anisotropic. Lastly, the stand includes a platform portion that is adapted to support an article. The backup device includes a short-range wireless communication link, a communication interface for communicating with the primary portable data storage device over the communication link to receive data to back up and to check for removal of the primary portable data storage device and storage for storing data received over the communication link from the primary portable data storage device.