Transnet's Hung Shang-wen points out that postmen-or "green angels" as they once were known-used to stir excitement because they brought the word of loved ones from afar. Once telephone service became widespread, feelings about the green angels dissipated.
統一速達洪尚文指出，以前「綠衣天使」郵差先生捎來遠方的問候，總會讓收信人激動不已，然而電話普及後，綠衣天使傳遞感情的溫馨感覺已經逐漸淡去。