A portable computer in a store can be carried past a kiosk and wirelessly receive from the kiosk demonstration versions of software, along with an ID of the store. Later, after using the demonstration version, the user can access a Web server and purchase a full version of the software. During the transaction,...http://www.google.de/patents/US20030110094?utm_source=gb-gplus-sharePatent US20030110094 - System and method for wireless viral software distribution
