warchalk


warchalk

(networking)A system of runes and annotations chalked onwalls or other surfaces to indicate to interested parties thepresence of a wireless network node in the vicinity.

Warchalking was inspired by "hobo language" - the signs usedby American itinerants during the Depression years to indicatewhere they might find a meal.

http://blackbeltjones.com/warchalking/.