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Wi-Fi, Mano a Mano

Imagine a world where using Wi-Fi doesn't mean sacrificing security. It could happen.

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This story appears in the March 2010 issue of Entrepreneur. Subscribe »

Can you remember when there was no Wi-Fi at the big coffeehouse chains or the major airports or popular hotels? When it wasn't in most laptops, and if you were looking for a public Wi-Fi signal, you could go all day without finding one?

Now, Wi-Fi is anywhere businesspeople are likely to gather, in the office or not. It's estimated that half a billion users worldwide use Wi-Fi on about 2 billion shipped devices, according to the Wi-Fi Alliance in Austin, Texas, which certifies and promotes Wi-Fi technology standards.

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