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Re:Ask HN: Your biggest non-technical hack/discovery by noonespecial on Monday October 12, 2009 @12:50AM (#876039)
If you hold a coin halfway into some older parking meters for a while, it will think its slot is jammed and registers "out of order." Most cities won't ticket an an out of order meter. Free parking. All day.
Re:Ask HN: Your biggest non-technical hack/discovery by anamax on Monday October 12, 2009 @05:36PM (#877716)
> Most cities won't ticket an an out of order meter.

"Most"? I haven't seen a parking meter in years that without "tickets issued at broken meters" on the label.