zero-rating
practice of providing gratis Internet access under certain conditions, such as by only permitting access to certain websites or by exempting certain websites from the data allowance
en-GB/ˈzɪəɹəʊ - ˈɹeɪtɪŋ/
en-US/ˈziɹoʊ - ˈɹeɪdɪŋ/
practice of providing gratis Internet access under certain conditions, such as by only permitting access to certain websites or by exempting certain websites from the data allowance