Venn · Diagram Design
Good design · Desirable × Feasible × Viable
Desirable
PEOPLE WANT IT
Feasible
WE CAN BUILD IT
Viable
BUSINESS SUSTAINS
Prototype
no business model
Vaporware
can't build it
Internal tool
nobody wants it
Shippable
THE SWEET SPOT
LEGEND
All three — ship it
Two of three — incomplete
Coral marks the intersection that earns the work. The others name the traps.