A fresh ranking of telecom giants by market cap puts China Mobile on top at $229 billion. Verizon lands second with $193B, and T-Mobile isn't far behind at $191B. AT&T sits fourth at $162B, with Deutsche Telekom just a…



En 1994, Deutsche Telekom lanzó VoiceStream Wireless PCS, el precursor de lo que se convertiría en T-Mobile.