* Does the project have a published email address where to send
  bug reports?
* What is the average time until a bug report is answered?
* What is the percentage of bug reports which are not addressed
  within six months?                                           
* Are bug reports handled by the developers themselves?
* New item for motivation:
    - The desire to contribute to computer users' freedom, or to the
      base of free software that exists. (gratitude to the free software
      community)