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Data body mealplan |
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Here is an example of how the data body is fed by routine day-to-day activities, a data body meal plan:
Breakfast: phone calls, drive GPS (global positioning system) equipped car, emerge from surveillance camera equipped subway, go online, send E-mails, complete online registration forms, receive faxes
Lunch: pay lunch with credit card, use your customer card when shopping, use mobile phone, pass through biometric access controls, use smart card
Afternoon snack: visit doctor, file insurance claim
Dinner: respond to TV commercials, complete income tax form, visit chat rooms, use free web mail. Programme phone wake-up call.
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NSFNet
Developed under the auspices of  the National Science Foundation (NSF), NSFnet served as the successor of the ARPAnet as the main network linking universities and research facilities until 1995, when it was replaced it with a commercial backbone network. Being research networks, ARPAnet and NSFnet served as testing grounds for future networks.
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