Janis Joplin a version of Big Mama Thornton's "Ball and Chain", appear in the DVD box set of D. A. Pennebaker's documentary "Monterey Pop" released by The Criterion Collection. She is seen wearing an expensive gold tunic dress with matching pants. They were created for her by San Francisco clothing designer Colin Rose. Documentary filmmaker Pennebaker inserted two cutaway shots of Cass Elliot of the Mamas & the Papas seated in the audience during Joplin's performance of "Ball and Chain", one in the middle of the song as her eyes, covered by sunglasses, are fixed on Joplin, and also a shot during
Big mama chatrooms are censored in real time; when someone posts a politically risky comment big mamas send them an email warning from Yahoo and their post cannot be seen by others. Yahoo in 2002 signed a Public Pledge on Self-discipline (known as The Pledge) promising to regulate chatrooms in line with the Chinese governments laws and regulations. Approximately 300 other companies signed this pledge, many of which also use big mamas and other technologies to censor users and information. All chatrooms and bulletin board systems and news agencies in Chinese cyberspace have a big mama that decide what content is acceptable