LinkedIn, of all places, reminded me of this gem of a quote from Alan Cooper in a foreword of User Story Mapping today:

It’s entirely reasonable that programmers build software one feature at a time. That’s a perfectly good strategy, proven over the years. What has also been proven over the years is that, when used as a method for designing the behavior and scope of a digital product, one-feature-at-a-time yields a Frankenstein monster of a program.

proceeds to gesticulate wildly in software