| 摘要 |
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, the store ID is provided to the server, which can then credit the particular store at which the demonstration version was obtained with a sale. The demonstration version and accompanying store ID can be virally transmitted to secondary devices.
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