as motivated by paper prototyping, heuristic evaluation, and user testing)
Users were found through personal contacts: architect, digital artist, art professor at School of the Museum of Fine Arts. They are representatives of our target populations.
We decided not to do a demo, not to bias the learnability of the interface.
Poor contrast between pins and image
Empty stars are not very visible
Red border around annotation on the right looks like input field on error
Learning through iterative design process.
Risk assessment, decisions about what features to prototype, and which prototype techniques to use, and how to evaluate the results of observations