Computerworld — 4G wireless: 20 questions asked and answered

PC World – As the proud owner of a 3G smartphone, you might have considered yourself a member of the leading edge of wireless services users. Then you started hearing ads and reading stories about something called “4G,” and perhaps began wondering…what is it, where is it, can I get it, and do I want it?

Here’s a quick list that explains what 4G is, what it can do, why it’s the future of wireless communications, and where (and when) you might be able to get it.

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