Red Box
Not to be confused with those dvd vending machines. This strip continues the hacking adventures of Kevin "Boingthump" Phenicle as he tests a way to make free local telephone calls using some knowledge that he pilfered from a telephone company dumpster.
check the article below if you're curious about the real "Red Box" device.
http://en.wikipedia.org/wiki/Red_box_%28phreaking%29
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http://en.wikipedia.org/wiki/Red_box_%28phreaking%29