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- Because paper prototyping is quick and easy, it allows to iterate through many different design options. Paper prototyping particularly helped us to find the most intuitive location for buttons and navigation controls; find out safety issues (e.g. confirming that tweets are being saved); because the paper prototype was to scale we got a good indication if the layout works well.
- The drawback of a paper prototype was that it did not allow us to foresee many implementation challenges, accurately test typography, colour colour schemes.