# An old colleague calls

> Johnny.Decimal is useful years later.

How many conversations with old colleagues – one of them just called me – start, "hey do you remember where?.."

In this case he asked "do I remember where that server analysis that I did was stored?" And I said, yeah, it's on our customer's network. Thirty-two-dot-something, I think.

Then I realised that I still have my old [index](/documentation/the-jdex) in Bear, so I opened up the phone and within thirty seconds there it was.

Thirty-two dot twelve.

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