agile design...

I advocate and practice a responsive style of design. I emphasize the importance of requirements uncertainty
....
No design style can simultaneously minimize cost, maximize revenue, and maximize options in both the short-term and the long-term. Choosing which constraints to resolve early and which to defer results in a style of design whose values and process are clear and easier to communicate. Being clear is the beginning of the conversation about design.

Three Rivers Institute » Blog Archive » The Design Dilemma

Blogged with the Flock Browser