United's MileagePlus Program is meant to streamline the process of earning points on daily purchases and applying those points to payments for global flights, hotels, rental cars, and more for customers.Verileri saklamak midein Boostfeel muhtevai bir CRM sistemi kullan?lmaktad?r, bu da al?c? bilgilerini kolayl?kla al??veri?lemeyi ve kaydetmeyi katk