Usability
2015-05-05 by Graham Langdon [https://twitter.com/GrahamLangdon] (Meetup
[http://www.meetup.com/Stacked/events/221981094/])
User Testing
* Set small goals that you can achieve
* Earlier fixes cost less
* Use feedback to prioritize
Invalid Reasons To Skip
* App isn't finished yet
* We already know there are problems