"Imagine you’re on your way to work. Your train is running late. While waiting on the platform, you whip out your smart phone to make a quick call to the office. Then, you pass some time by updating your Facebook status, logging on to your bank’s Web site to pay bills and checking the weather forecast for the weekend. You suddenly remember it’s your sister’s birthday tomorrow, so you go online to buy flowers to be delivered to her home. Just as you’re clicking “complete purchase,” you hear the rumbling of the train as it pulls into the station. And that’s all before your morning cup of joe.
Our world today is run by networks. We communicate with various technological devices, and these devices communicate with each other. As a result, unprecedented amounts of data — much of it sensitive — are floating about in a virtual world. Without appropriate gatekeepers, these networks could open up users to a world of trouble."
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