Wireless Messaging

ALSO CALLED: Mobile Messaging, Wireless Email, Multimedia Messaging, Text Messaging
DEFINITION: GPS (Global Positioning System) messaging is a wireless messaging system for location-specific rather than recipient-specific messages. Somewhat like electronic sticky notes, the messages are sent and received by people with GPS locators in their wireless devices; messages are linked to the location of the sender and accessed by any equipped mobile user entering that location. GPS messaging is sometimes  … 
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WIRELESS MESSAGING DEFINITION (continued): …  called mid-air messaging, because that's where the messages seem to be located. Hewlett-Packard has a prototype GPS messaging system running in its lab in Bristol, England. GPS messaging is said to have enormous potential for both emergency situations and the less urgent, albeit ongoing, concerns of users. For example, tourists could leave messages outside a restaurant -- either praising it or complaining about it -- that other tourists would pick up when they were in that location, or highway workers could warn people about upcoming traffic hazards by leaving a message that they would receive … 
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