...

In our initial paper prototypes, the bulletin board was only a tab, and each  Image Removedeach   Image Added

In our final implementation, we also added a "help" button, based on the heuristic evaluation. This question-mark is always present in the bottom-left corner of the screen. Clicking it opens a new paper, with the option to read about main

Image Modified

Image Modified     

...

   Image Modified

Implementation

• Describe the internals of your implementation, but keep the discussion on a high level. Discuss important design decisions you made in the implementation. Also discuss how implementation problems may have affected the usability of your interface.

...