Here,
a nice blog about marketing failure (and an hint for anyone willing to try exploring SAP Hana)
https://blogs.sap.com/2017/09/05/not-good-enough-sap-marketing-stop-wasting-our-time-and-save-your-money/
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I don't think "fine line" is how I would describe it... :-)
I don't even know what the point of this blog is.
https://blogs.sap.com/2017/09/20/the-sap-terminology-community-blog-returns-back-to-basics/
Well, you should check the terms of it!
Isn't the answer already contained in the blog? - To cite:
Or, put more flippantly, “How low can we go?”