ral ▁on ▁the ▁growth ▁and ▁financial ▁performance ▁of ▁do z ens ▁of ▁leading ▁US ▁fir ms . ▁ ▁Reich h eld ▁pur ports ▁that ▁the ▁measurement ▁of ▁company ▁advoc ates , ▁or ▁prom ot ers , ▁is ▁the ▁strong est ▁single ▁meas urable ▁correlation ▁between ▁customers ▁and ▁corpor ate ▁performance . ▁Similarly , ▁Chris ▁X . ▁Mol oney ▁has ▁presented ▁new ▁find ings ▁( Lo yal ty ▁World ▁London ▁ 2 0 0 6 ) ▁that ▁showed ▁a ▁magnetic ▁value ▁to ▁a ▁company ▁to ▁promote ▁and ▁measure ▁customer ▁refer r als ▁and ▁advoc acy ▁via ▁research ▁and ▁market ing . ▁ ▁Lo yal ty ▁market ing ▁and ▁the ▁loyal ty ▁business ▁model ▁ ▁The ▁loyal ty ▁business ▁model ▁re lies ▁on ▁training ▁of ▁employees ▁to ▁achieve ▁a ▁specific ▁parad ig m : ▁quality ▁of ▁product ▁or ▁service ▁leads ▁to ▁customer ▁satisfaction , ▁which ▁leads ▁to ▁customer ▁loyal ty , ▁which ▁leads ▁to ▁profit ability . ▁Lo yal ty ▁market ing ▁is ▁an ▁extension ▁of ▁that ▁effort , ▁re lying ▁upon ▁word - of - mouth ▁and ▁advert ising ▁to ▁draw ▁upon ▁the ▁positive ▁experiences ▁of ▁those ▁exposed ▁to ▁loyal ty ▁business ▁model ▁inspired ▁vent ures ▁to ▁attract ▁new ▁customers . ▁Fred ▁Reich h eld ▁makes ▁the ▁point ▁in ▁his ▁books ▁that ▁one ▁can ▁le verage ▁the ▁" power ▁of ▁extension " ▁to ▁draw ▁new ▁customers . ▁ ▁The ▁rapid ▁expansion ▁of ▁frequent - fly er ▁programs ▁is ▁due ▁to ▁the ▁fact ▁that ▁loyal ty ▁market ing ▁re lies ▁on ▁the ▁earned ▁loyal ty