Recent advancements in technology are allowing NASA to send up a small 4 square inch box into space which has been called "PhoneSat". It cost around $7,500 to build and is a highly modified Nexus S smartphone that allows calls from space. The box is useful because with it being based around a smart phone it not only can be used for communication but can be used for file sharing, storage and even as a source of power. This is a positive advancement because it will allow different types of communication and even promises to improve cell reception miles beyond 4g so effectively you with never loose signal.
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