In its ever-expanding push toward computer domination, Microsoft launched a concept called the .NET Passport. (Soon after installation, Windows XP urgently asks you to sign up for one.) In theory, the Passport sounds great: Give Microsoft a user name and password, and you have a Passport. When you visit any Passport-aware Internet sites, you type in your same Passport name and password. You no longer have to remember different user names and passwords for every place that you visit or shop on the Internet. In fact, when you move from one Passport-enabled site to another, you don’t even need to log on again. With the Passport, your personal data travels with you: name, address, and, if you purchased anything, your credit card number. Microsoft says its .NET Passport enables software, Internet services, and computer gadgetry to work together and share information, making the Internet easier for everyone to use. Think about it, though. No entity should govern your Internet use
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