1. A method of copying application data, the method comprising: monitoring a first application running on a first computer; detecting an inactivity trigger on said first computer; and responsive to detecting said inactivity trigger: automatically copying one or more data sets used by said first application, and placing said copied data sets in a network-accessible location that is accessible to a second application running on a second computer, wherein said second computer is physically located in a different location than said first computer, and wherein said monitoring, detecting, copying, and placing are implemented in either of a) computer hardware, and b) computer software embodied in a non-transitory computer-readable storage medium.