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		adefa on Nov 19, 2022 \| parent \| context \| favorite \| on: Ask HN: What is the most impactful thing you've bu... My first job out of college I worked for an international telecommunications company. The first big project I worked on was to develop a call detail record (CDR) search tool. This tool was used to help locate a missing family who had been lost in the Nevada wilderness for more than 48 hours: https://www.cnn.com/2013/12/11/us/nevada-family-found-alive/...

zimpenfish on Nov 19, 2022 [–]

> The first big project I worked on was to develop a call detail record (CDR) search tool.

Dunno if they're still used but I wrote a whole bunch of CDR libraries/viewers/decoders for a telco consultancy that saved people a whole bunch of time back in ~2006-7.

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