Cov neeg siv khoom ncaj ncees cov kev pabcuam tau ua lub luag haujlwm tseem ceeb ntawm kev sib raug zoo nrog cov neeg siv khoom los ntawm ntau xyoo lawm. Nyob rau hauv cov hnub thaum ntxov ntawm cov neeg siv khoom loyalty cov kev pab cuam, hom tsom rau lawv cov neeg siv khoom zoo tshaj plaws thiab muab khoom plig los ua kom lawv feem ntawm lub hnab nyiaj. Piv txwv li, American Airlines AAdvantage program tau tsim los txhawb 2% ntawm cov neeg siv khoom uas tau pab 25% lossis ntau dua ntawm…