One of the misconceptions I see frequently is the idea that you must have a complete sense of who you are and what you do before you "present" yourself by participating. In fact, exercising your voice is one of the best ways to discover how you want to represent yourself.

Getting feedback can be revealing in more ways than you might expect. Listen for the emotional reactions, the ones that comes from that deep-seated "reptile" part of our brain, for cues that there is more to be understood.

You've thought about the happy path your users will take — time to anticipate how it could break so you can build in some safeguards. Time to put on your black hat.

No matter how well-arranged your interface is or how simple your flows are, the imagery you use in your designs will have a disproportionately large influence on how it will be received. Beautiful imagery, when done right, can be a powerful force for progress.