News.com looks into a new method that is being used to identify publicly accessible wireless networks. " Warchalking, as the practice has been coined by Matt Jones, entails simply drawing a chalk symbol on a wall or pavement to indicate the presence of a wireless networking node. If you see one of these symbols, you should--in theory at least--be able to whip out your notebook computer equipped with an 802.11 wireless networking card, and log on to the Net."

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