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How many chargers do you own? One for your cellphone? Another for your laptop

By using the host of position-relating sensors in modern smartphones, scientists at MIT think they could make the phones and network perform better so your calls don't drop when you're on the move. When you're strolling or rolling through a crowded city chatting on your cellphone, there are a number of things that can get in the way of your call working properly. A primary culprit is handoff between different cell towers.