Comment by SpicyLemonZest

Honestly, when I see this kind of story (and I do see it a lot), the confusion is typically more on the side of the person insisting on a yes or no. I had a conversation once with a customer who demanded a yes or no answer to the question of "is your system in-memory". They didn't want to talk about what was in memory - they'd just learned from Oracle marketing material that "in-memory" was faster, so they wanted to make sure we were faster.