Growth marketing leader Angie Klein on how the telecom giant is redefining consumer engagement and implementing AI.
AT&T Inc. Dep. Pfd. (Rep. 1/1000th 4.75% Pfd. Series C)-0.26% AT&T Inc. Dep. Pfd. (Rep. 1/1000th 5% Perp. Pfd. Series A) 0.19% ...