Dear Mr/Mrs/Ms My name is Gefei Hu. I am a MA student from the Digital Media and Society in the University of Sheffield. I am kindly requesting your participation in a research study that I am conducting titled: Online ratings as Digital Labour? Understanding users’ contributions on TripAdvisor and understanding of value. The aim of my study is a closer understanding of users’ intents and attitudes expand our understanding of Digital Labour and value creation. Especially focus on the online rating on TripAdvisor and the relationship between the Digital Labour and online rating. If you take part in this study, you will be invited in a 15-minutes interview with me and I will ask you some questions about how you understand online rating. During the interview, I will record the audio. Participation is completely voluntary and you may withdraw from the study at any time. The study is completely pseudonyms, therefore, it does not require you to provide your name or any other identifying information. If you would like to join my study, please contact me by mails as below. Thanks for your time. Gefei Hu: [email protected]

Dear Mr/Mrs/Ms My name is Gefei Hu. I am a MA student from the Digital Media and Society in the University of Sheffield. I am kindly requesting your participation in a research study that I am conducting titled: Online ratings as Digital Labour? Understanding users’ contributions on TripAdvisor and understanding of value. The aim of my study is a closer understanding of users’ intents and attitudes expand our understanding of Digital Labour and value creation. Especially focus on the online rating on TripAdvisor and the relationship between the Digital Labour and online rating. If you take part in this study, you will be invited in a 15-minutes interview with me and I will ask you some questions about how you understand online rating. During the interview, I will record the audio. Participation is completely voluntary and you may withdraw from the study at any time. The study is completely pseudonyms, therefore, it does not require you to provide your name or any other identifying information. If you would like to join my study, please contact me by mails as below. Thanks for your time. Gefei Hu: [email protected]