16. Do we know this is the right design?
Do we know how to get the required performance?
17. Do we know this is the right design?
Do we know how to get the required performance?
Do we know all our platforms work as expected?
18. Do we know this is the right design?
Do we know how to get the required performance?
Do we know all our platforms work as expected?
Do we really know what the end-user wants?
19. Do we know this is the right design?
Do we know how to get the required performance?
Do we know all our platforms work as expected?
Do we really know what the end-user wants?
Is the useability good enough?
20. Do we know this is the right design?
Do we know how to get the required performance?
Do we know all our platforms work as expected?
Do we really know what the end-user wants?
Is the useability good enough?
Do we know what the competition will do?
21.
22. With so many unknowns,
you can't predict
functionality, time and resources
23. Better approach:
Do as much as possible within
fixed time and with fixed resources