Potential customer: "What's an MPU?"
N: "Oh, it's the same thing we used to call a GPU"
P: "Why did you change the name?"
N: "Because it's a little bit weird to keep using the word 'graphics' for something that is being made more and more specifically for other things"
P (puzzled, and marginally less likely to make a purchase): "Oh right"
Potential customer: "What's an MPU?"
N: "Oh, it's the same thing we used to call a GPU"
P: "Why did you change the name?"
N: "Because it's a little bit weird to keep using the word 'graphics' for something that is being made more and more specifically for other things"
P (puzzled, and marginally less likely to make a purchase): "Oh right"