In critical applications in science and industry, backup systems are a must. Weather it's loss of availability of your ATM or Television, of Loss of Life due to equipment failure in a hospital, having a backup is just good common sense. And in analyzing your life and your opportunities; having more than one chart, one way of looking at things is equally as important. After all, it's your life we're looking at.> Redundancy - Tell me Three TimesOne of the best ways to insure that information gets from one point to another is to send multiple copies. "Tell me Three times" is a simple method of correcting messages that may have been damaged in transit. The idea is that with copies, at least two of them will have the correct data at any one point in the message. This is true weather we're talking about text, music, or video. This sampling and correcting process is built into the machines that read our CD's and DVD's. It's why even slightly damaged disk can still be read and play...
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