Wi-Fi 101

Anytime-anywhere Net access is (nearly) here. Getting online, surfing the Web and accessing office data without clumsy cables has never been easier. Thanks to thousands of public hot spots springing up worldwide, getting online at your local café, bookstore, hotel lobby or airport is a reality. Here's how:

BUY A WI-FI-ENABLED LAPTOP OR PDA Within two years, nearly every new PC laptop will come with Wi-Fi functionality. Apple's portable computers have been Wi-Fi-ready since 1999. Intel's new wireless technology Centrino provides built-in wireless capability for PC notebooks and boosts battery life up to five hours. Toshiba has also...

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