The Mamas & the Papas on BBC Music called it "a treasure chest of pop gold". In addition to the three documentaries ("Straight Shooter", "California Dreamin" and "Here I Am"), Doherty's musical, and the memoirs by John, Michelle, and Mackenzie Phillips, the group is the subject of Doug Hall's "The Mamas and the Papas: California Dreamin" (2000) and Matthew Greenwald's "Go Where You Wanna Go: The Oral History of the Mamas and the Papas" (2002). Cass Elliot is the subject of Jon Johnson's "Make Your Own Kind of Music: A Career Retrospective of Cass Elliot" (1987) and Eddi Fiegel's "Dream a Little Dream of Me:
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