Speed is often a "non-functional requirement" that doesn't get a user story and isn't on a bulleted
list of features that enterprise buyers think they need. Often organizations find out that they
product they've bought or are developing is unacceptably slow only after they've spent a lot of
money on it. Rollouts of content management systems, issue tracking systems and other tools
frequently fail when users when users abandon unacceptable slow and awkward products.