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Cell Phone
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Authority Sites
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Howstuffworks "How Cell Phones Work"
Learn about wireless technology, check out our phone buying guide, read cell
URL: www.howstuffworks.com/cell-phone.htm
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AT&T Wireless Services
Offers local and national mobile phone services for business and personal use.
URL: www.cingular.com
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Welcome to Sprint
Find the phones, plans and features that fit who you are. En Español ... Sign up
URL: www.sprint.com
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