Paige Wolfe

1. How to handle alerting users that an account already exists. If multiple paths exist, being too specific can create confusion, as it suggests certainty.

Discusses usability heuristics i.e. principals used with UX design

You cannot modify the envelope once it has been sent.

Overview of design thinking from leaders in research-based user experience firm, Nielsen Norman group.

The pros and cons of using a habit tracker to establish new habits. How to make habit tracking effective.

2. Considering limitationsThe app is intentionally different, because it has unique requirements.