viewerparticipation

noun
UK /ˈvjuːə pɑːˌtɪsɪˈpeɪʃən/
US /ˈvjuːər pɑːrˌtɪsɪˈpeɪʃən/

When people watching a show join in and take part.

The TV show encouraged viewer participation by letting the audience vote for the winner.


OTHER MEANINGS

2. The act of people watching an online video adding comments or reactions.

The streamer's viewer participation made the chat lively.

3. When fans of a sports broadcast take part in polls or games during the match.

Viewer participation during halftime kept fans entertained.

4. The involvement of people watching a live event through questions or votes.

The debate invited viewer participation through text messages.