timothy from the in-their-off-hours-i-hope dept.
nobilid writes: "Well-meaning wireless activists have caught the attention of the U.S. Federal Bureau of Investigation. One of its agents has issued a warning about the popular practice of using chalk marks to show the location of wireless networks."
(1) Never draw what you can copy.
(2) Never copy what you can trace.
(3) Never trace what you can cut out and paste down.