doing things a cer…signers must commit to lifelong learning. Technologies change and user habits change (and go away). This constant state of innovation means that we always have to be re-thinking what we know. We cannot simply rely on old knowledge, templates, patterns, and habits. We must always ask ourselves why we’re doing things a certain way. We must always challenge each other to justify our design decisions so that we don’t fall prey to being too comfortable and complacent.