The mapping database is constantly updated with information from Thomson Reuters and third party sources.

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All models have the ability to upgrade to Garmin navigation via a special app (available on the Apple iTunes Store), which downloads the mapping database directly onto an iPhone 4 or 4s and allows for instantaneous routing and re-routing without the need for continuous 3G, 4G or LTE service, avoiding long download times and high data charges.

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Shamus Khan, a sociologist at Columbia University, is analyzing the orchestra's subscriber lists to create a database mapping New York's elites in the seats of the concert hall.

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It then combines this real-time information with ephemeris data, mapping, cellular base station and Wi-Fi access point database information, and other cloud-based aiding information using the SiRFusion platform.

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That all changed a few years ago when, in a demonstration of its network mapping software, Trampoline Systems distilled the reams of data to a clickable form and uploaded the resulting database to enronexplorer.com.

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