DevOps can mean a lot of things, but I find in practice that this results in a team using Continuous Integration and Continuous Deployment/Delivery using automation to check and evaluate your software in some way. This should result in quicker delivery of updates and changes to customers, better agility, and higher quality of code.

That last one only comes if you use testing and try to ensure your code is well-written. It's easy to just use DevOps to throw out more poorly written code that doesn't perform well.

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