I'm intrigued to see that Google has quantified that new code is generally buggier and less secure than code that has existed in your codebase for longer:
miniblog.
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Getting started with Quantified Self projects, looking at ways to measure, leveraging your digital artifacts, and analysing results: https://quantifiedself.com/get-started/
Dilbert on quantified self technology in the wrong hands: http://t.co/5ArrqmhSrP Scary, but for personal use I'd like such a monitor.