Word: wi
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True, but that somebody could be the taxpayers if, as some propose, the government were to subsidize free wi-fi as a public utility--which is already happening in downtown business districts as diverse as Long Beach, Calif., and Athens, Ga. That may sound radical, but federal intervention at some level will probably be necessary if wi-fi is ever to become as widely available as the wired Internet is today. For one thing, wi-fi operates on a radio band that is already terribly overcrowded. "We need federal help," says Pozar, "or this is going to turn into just...
...perfect wi-fi world, you wouldn't have such a hard time spotting the 18-in. antenna on top of San Bruno--because it would be the only one there. Theoretically, given enough unlicensed radio bands and megabits too cheap to meter, you could transmit via wi-fi all of today's broadcast TV and radio programs and every phone call (cellular or wired) as well--most of it free. That may sound like a tin-can-and-string utopia, but if the past 50 years of technology have taught us anything, it is this: never underestimate what geeks with...
...symbol that looked like two half-moons back to back was scrawled beneath the words "Outside the Box." What did it mean? Was it some bizarre pagan ritual conducted by aficionados of business slogans? Nope--Outside the Box was the name I had assigned on my computer to my wi-fi network. There was only one explanation: I'd been warchalked...
Warchalking began a couple of years ago in London, and has since spread to the sidewalks of Seattle, New York City and San Francisco. Wireless guerrillas walk or drive around a city with wi-fi--enabled laptops, sniffing out wireless networks. They leave hieroglyphs that, to the untrained eye, look like graffiti. The symbols not only alert those in the know to a hot spot but also reveal how fast the network is and whether it requires a password. No password required for me--hence the open-faced moons...
OPEN NODE This wi-fi signal is unprotected...