Earlier quoted context omitted.
Well, the alternative is working for days / weeks on a feature that the end-user may not even use (is the message I'm getting from this article). Being able to create and alter a feature quickly is important in an agile environment.
There are better ways to discover whether a feature is wanted than hacking up a test version and seeing if the users use it. The idea is to test whether people want it before that stage. You can ask them, but often they'll say yes regardless because things often sound great. On the most basic level, adding a UI element that responds with nothing more than a "Coming soon!" message and measuring if anyone clicks it wor…
What you want to know is not just whether people click the button , but whether having a certain feature available changes the way that people actually use your application.