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2580 seemed like a fairly obvious PIN choice to me, but I'm completely baffled on the significance of 1004 in position #6. It is neither easy to type, has no good geometric representation, and doesn't seem like a year/date/zipcode or any common number. Any ideas?

(I'd also venture that one of the reasons 2468 is so much more popular than 1357 is because of the nice symmetry that 2468 has)

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In Spain, 1004 is the number to call the main phone company. It is usually associated to something bad, as you can imagine :-P but it is an easy 4 digit number to remember. Not sure if that is the case in other countries...

I still prefer the korean explanation, though

The only thing I could think of was Ubuntu version 10.04. I doubt that explains it. I thought any variation on that (1.004, 10.04, 100.4) might have some significance in popular culture, like the 42 has, but didn't find anything.

I'm curious.

http://news.ycombinator.com/item?id=4536506

Seems like 1004 would be a pretty easily typed and spatially easy PIN to remember - http://static.guim.co.uk/sys-images/Guardian/Pix/pictures/20... - poke your elbow out and place your hand over the keypad and it's middle finger, thumb, thumb, index finger. Quick and easy.

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