Table 1.

Overview of trace’s use cases

Use Case 1 Remote academic research	Use Case 2 In-person audience research	Use Case 3 Remote audience research
131 participants (at home) Research Panel (Prolific), paid 25-min video, hosted internally Measures Face-tracking Experience sampling NES questionnaire	42 participants (lab) Ticket holders, paid 3-h livestream, hosted externally Measures Face-tracking Empatica HR monitor NES questionnaire	6 participants (at home) Ticket holders, volunteer 3-h livestream, hosted externally Measures Face-tracking NES questionnaire