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| | Hotspot Finder - Warchalking 101 |
 | | Though warchalking is lost on non-geeks, many Wi-Fi users are discovering that in dense urban areas, especially those with retail businesses underneath multi-unit apartment buildings, it's pretty common to find an open wireless networks, thanks to the generous (or careless) neighbors upstairs who haven't locked down their wireless networks. |
 | | Jones proposed marking sidewalks, walls, or telephone poles where networks could be found with a set of chalk-mark symbols based on the old sign language that hobos used to alert one another to food, shelter, or potential trouble during the Great Depression in the 1930s. |
 | | Jones dubbed this practice "warchalking," a pun on "wardialing," introduced in the 1983 movie Wargames, in which a young hacker has his computer automatically dial all the phone numbers in the area looking for other computers. |
| usatoday.jiwire.com /warchalking-introduction.htm (440 words) |
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