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> "Full Body IK (FBIK)"

I have a sense that this acronym could have been clarified a bit further. After going to the second page of Google results, I now think it's probably "Inverse Kinematics", but it shouldn't have been so hard.

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It's like spelling out JPEG in the release notes for Photoshop. You could do it for good form, but it's mostly a waste of characters.

Sure, I wouldn't be making that comment is they just hadn't expanded the acronym. But assume that you were an otherwise technically savvy reader but unfamiliar with graphical formats, encountering the text "Joint Photographic EG (JPEG)". You'd find that to be a bit weird, no?

The target audience of photoshop knows what it is. The material is for them. It’s not written for random technically savvy people.

I don't disagree, but the target audience knows exactly what IK means

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