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| Entry |
|---|
| Wireless advertising is less advanced in the US than in Europe and Japan, but advertisers are eager to take advantage of US miltary;s lifting of GPS technology restrictions, Industry Standard, May 29, 2000, by Ben Hammer.* |
| Abstract, Information Service Receiver, Information Service Providing Device and Information Services Provision System, Japanese Patent Application No. JP09231263, filed Sep. 5, 1997. |