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Old 07-28-2009, 09:46 PM   #16
Tazqoaap

Join Date
Oct 2005
Posts
577
Senior Member
Default
When I hear something pop, I know i've gone back far enough, and it's time to go another direction.

Kind of like one of those Roomba vacuum cleaners, it's got to run into something before it changes direction.
Tazqoaap is offline


 

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