Why is video record becoming such a valuable research tool?

What will be an ideal response?

Video records are one of the most useful methods to record symbolic gestures and ceremonial rituals that occur between people in a scenario. It can reveal how previously hidden scenarios actually operate, such as inside state legislature committee meetings. They can capture and allow researchers to code facial grimaces such as clucks, furrowed brows, smiles, head tilts, hand motions, and more. Additionally police records are tape recorded, and kept for a long period of time. Classroom activities are often videotaped to provide mini-ethnography of life in a classroom. The plethora of topics captured in video can be a valuable secondary data source. Additionally, videotapes can be used for the audiovisual transcript of official proceedings to create behavioral records. The commonality of digital video cameras in phones expands even greater potential future uses of recording devices. Even video related records such a receipts from sales and rentals of DVDs can be a window into a person's behavior and social values.