Wireless Internet access is improving fast, but be forewarned: All of the gadgets available today have serious limitations. For those who just can't wait, here are some of the better products currently on the market. Wireless is the wave of the future. People on the go now can surf the Web, download music or stock quotes, watch Webcasts and play games, anytime, anywhere. No wires needed. Qualcomm shares shot up more than 2,500% last year on the strength of the company's wireless technology.
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