In an exclusive chat with T-Mobile executives before the announcement, I learned which moves took the carrier from No. 4 to the top.

Katz said T-Mobile will pay off every cost to switch, including the remaining cost of devices up to $800, and give customers a new Apple or Android device without requiring a trade-in (be sure to ...

Michael Katz discusses how ReturnQueen is reshaping reverse logistics with resale partnerships and sustainability-focused solutions.