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Each of these technologies adds to a developer's steadily growing toolbox, enabling them to create new and interesting solutions for the channel. GPS, WiFi and Web technologies tied together will provide real-time location awareness capabilities to applications that warrant them.
However, I see a fundamental conflict with the WiFi and GPS components of this technology trio -- that being where each may be physically used. GPS technology does not work well indoors, whereas WiFi is designed primarily for short-range, indoor use. Therefore I feel there are only a limited number of applications where GPS and WiFi will both be available and working.
GPS and WiMAX or cellular technologies, on the other hand, work together much better. These connectivity technologies will work in a much wider geographical region than WiFi, making it a better fit for the majority of wireless, mobile applications where GPS is an important element.
The Web piece adds value through the versatility of connectivity. Although not necessarily required for GPS and WiFi applications, using Web extends the concept of information collection and retrieval from diverse locations.
The ultimate benefits of the integration of these technologies lie in the availability of accurate, real-time information. Applications that utilize these technologies enable users to integrate the knowledge of where a device or user is in real-time, while relaying information from that device or user at the same time. Depending on the client, this could yield either tremendous, or marginal, benefit to the user's system.
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