The information is now crowdsourced, meaning Apple will judge traffic by looking at your speed and position (not to mention, millions of other commuters with iPhones).

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Satisfying the regulators on both sides of the Atlantic will also not be a doddle given the dominant position of both companies in retail traffic out of their domestic markets.

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If this merger goes through, not only will ATT and Verizon control the vast majority of cellular traffic for consumers, they will also remain in a position to control roaming charges to the remaining local carriers when the user is outside his home area.

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Kessler contends the mini-blog platform could help the company gain traffic to its core Web properties while also increasing user stickiness and solidifying its leadership position.

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Also, your vehicle can upload its position to road authorities, so they can use variable road tolls as a traffic management tool -- raising the price on busy stretches during rush hours.

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Because Clearwire has such a fat spectrum position, it can optimize the use of the channels it has been allotted to carry traffic in the most efficient possible way.

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As satellite-based GPS becomes more ubiquitous in cell phones, the idea is that by figuring out the position and speed of a person's cell phone as it travels in a moving car, traffic data could be made available faster, cheaper, and in areas where it's hard to measure, like on rural roads or city streets, for example.

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