The Mamas & the Papas their original roles, Mackenzie Phillips taking Michelle Phillips' part and Elaine "Spanky" McFarlane of Spanky and Our Gang taking the part of Cass Elliot. Little progress was made until after Phillips had been sentenced and served his time in jail. The quartet began rehearsing in earnest and recording demos in the summer of 1981. Their first performances were in March 1982, when they were praised for their "verve and expertise", the "impressive precision" of the harmonies, and the "feeling ... of genuine celebration" on stage. The group toured the United States, including residencies in Las Vegas and Atlantic City, but
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