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Online! The Book by Wendy Taylor, Chris Pirillo, John C. Dvorak

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Privacy and Security

With the advancement of technology comes greater efficiency. But it comes at a price—privacy and security. In the days before computerized commerce, trade was less efficient. Centralized inventory systems did not exist. Statistical analysis of buying trends was more primitive. Goods in transit could not be tracked with the precision that we have today. Even supermarket checkout was manual.

There was a time when everyone would cut coupons from the newspaper and bring them to the store. Groceries were individually priced. The checker would enter the price of each item individually. Today, the cashier scans items with a barcode reader. The register, in turn, notes the price of the product. In place of coupons, a discount card ...

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