Product Abstraction, part 3
The layer where product management stops being an opinion
A goal needs a unit, not a target. Use cases split into ones that drive value and ones that only unblock it, and conflating them wrecks a roadmap.
Theme
Defining the Product
The layers between a vision and a line of code, and why most prioritization arguments are really a missing layer in disguise.
Product Abstraction, part 2
A vision you can reach is not a vision
Five people, five answers, one product. How to write a vision that rules something out, and a mission that is a destination rather than a metric.
Product Abstraction, part 1
Software has abstraction layers. Your spec should have them too.
Prioritization feels like guessing until there's something above it to derive from. The seven-layer chain between a vision and a line of code.