SnapChat this, Instagram that: The interplay of motives and privacy affordances in college students’ sharing of food porn

•Food photo posters refer to food porn based on aesthetic characteristics.•User-generated food porn serves to enhance posters’ image via self-presentation.•Connection and accountability to others are also motives for sharing.•Perception of privacy affordances guides posters’ choice of platform.•Instagram is most chosen for public and SnapChat Chat for private food porn sharing.