This is a collection of citizen science research papers and their significance to these five points: 1. Definition of citizen science 2. Who participates in citizen science and the demographics of those participants 3. Participant’s motivation to get involved in the online sites 4. Citizen Science project best practices, what makes a good site 5. What are good rewards and motivations for users and researchers, what are the demographics of people who participate in pattern spotting type activities in areas other than citizen science