An online bulletin board is a structured asynchronous research environment used in qualitative research operations to collect in-depth responses from participants across multiple days or weeks. Researchers post discussion prompts, image or video tasks, and follow-up probes, and participants respond on their own schedule, often producing more considered and candid answers than they would in a live focus group. Because sessions are not time-bound, online bulletin boards are particularly well suited to diary-style studies, concept exploration, and longitudinal tracking where researchers need to observe how attitudes shift over time. The method sits within a broader toolkit of qualitative approaches, alongside depth interviews, ethnographies, and in-home usage tests, and is valued for its ability to reach participants across markets and time zones within a single study.