A cellphone is not just for calling, texting and taking pictures anymore. Several startup business ventures spawned by MIT students, sometimes as class projects and sometimes as independent work, are exploring new ways to harness the increasingly ubiquitous devices. They are using phones to help people, especially in developing nations, to raise their incomes, learn to read, get where they're going and even diagnose their ailments. Some of these projects will be field-tested this summer. (source: web.mit.edu)
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