So it seems that Kent Beck has completely replaced the concept of "Velocity" with the idea of a "Budget" in XP version 2. I think this is an attempt to speak in language that business people will understand. To be honest though, it seems that even technical people have difficulty with this word too. I've seen velocity used where it means: Number of story points completed in an iteration (This one is correct!) Number of story points completed so far this iteration. Number of points attached to a given story. Using the word "budget" for the first one means that the other two come out as something like "value of items purchased" and the third one as just "price". Hopefully this will stop the misuse of "Velocity" - whenever I see it, it brings out my pedantic side.
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