There have been a number of terms renamed since the original Beck book. Here is your secret DecoderRing. * CustomerTest replaces AcceptanceTest replaces FunctionalTest * ProgrammerTest replaces UnitTest * ProjectVelocity replaced LoadFactor * SustainablePace replaced FortyHourWeek * WholeTeam replaced OnsiteCustomer [Contributers: JeffBell, MattRyall]