Highlights

When massive redesigns launch with significant changes to the experience, users get knocked down what Jared Spool calls the “Magic Escalator of Acquired Knowledge”. Huge redesigns are a jolt to the system, and newly frustrated users have to spend a great deal of time and energy relearning the experience in order to slowly climb back up that escalator of acquired knowledge.

We’re not designing pages, we’re designing systems of components. (– Stephen Hay)