Proctor and Gamble's Tremor Panel represents one of the most comprehensive and extensive seed marketing initiative to date. This panel is: Both A..) and B..) above, are true statements A..) A national sampling panel of over 250,000 teen opinion leaders used to optimize P&G's product launches All of the statements A..) & B...) & C...) are true statements. B..) Being used by major third-party brands such as Sony, Toyota, AOL, Warner Brothers, Verizon, and Kraft, as a launch optimization tool O C..) P&G believes the panel to be so effective that in 2005 the company began recruiting a second Tremor seeding panel in the US, twice the size of the original one, made up of 500,000 mothers