You can file this under: Old Dog, New Tricks.
Annotative scale is a wonderful thing, allowing users to set up one Dimension Style and use that one style regardless of scale.
It does take some getting used to. For example, if you change the scale of a viewport, then your dimensions will disappear.
But AutoCAD University put out a paper on using Annotative Scale, and we present it to you now.
The link is right here.