Celebrity Endorsement ib txwm tau pom tias yog qhov kev xaiv zoo rau cov tuam txhab los txhawb lawv cov khoom. Ntau lub tuam txhab ntseeg tias muaj lawv cov khoom txuam nrog cov neeg muaj koob npe nrov yuav pab txhawb kev muag khoom. Cov neeg siv khoom zoo li tsis paub meej txog lawv cov kev cuam tshuam nrog 51% hais tias kev pom zoo ua yeeb yam ua rau tsis muaj qhov txawv ntawm lawv qhov kev txiav txim siab yuav khoom. Thaum ROI ntawm ntau txoj kev lag luam yog…