'You can't break the fundamental laws of physics': T-Mobile CFO says he's not worried about Elon Musk's cellular ambitions

Source: Business Insider

Elon Musk's SpaceX has its sights set on the cellular market. T-Mobile's CFO says he's not worried. REUTERS/Steve NesiusSpaceX wants a piece of the cellphone market, but T-Mobile's CFO is far from concerned.