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Researchers in California have developed a new system that gathers GPS information from cell phone in mobile vehicles and uses it to create traffic jams. These maps are available online and can also be sent to your mobile device. If enough people download this tool, it should be really helpful on relieving congestion on all roads. The GPS data is also anonymous so you will never have to worry about someone being able to follow you. This new idea can be really helpful in large cities because it can cut back on travel time and also cute down on pollution if you're not idiling in traffic for long periods of time!
I think this is interesting because it is an example of how doing something seemingly small can make a big difference. It also shows how far cell phone technology has come in the last couple of years.
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