Is there another design trinity we need to pay attention to?

So, my UXe peer and I almost beat to death the idea of the trinity that we must all bow down to.

You'll also proably heard me talk about perhaps a fourth circle that needs to exist there too, one focused on community. I'm wondering if sustainability needs to be in there too. So statements around..."What is benefical for the community" and "What is sustainable for our environment." Hmmm.

Comments

[joe]

That's a nice presentation of Keeley's product triangle. I first read about it in Alan Cooper's "Inmates" book some years ago. Worked it into several presentations myself, such as http://www.sokohl.com/UXwithIxD.swf

[Chris Bernard]

Note also the simularity of titles in your presentation and mine.

http://chrisbernard.blogs.com/design_thinking_digest/2007/04/live_in_a_flyov.html

A coincidence I swear!