But although the Dragon was unaffected, the engine problem left a small communications satellite that was along for the ride as a secondary payload unable to reach its proper orbit.

ECONOMIST: SpaceX goes to the ISS

On a typical long-haul flight, says Mike Fitzgerald of Altobridge, a firm that makes technology to bridge satellite and cellular networks, 20 mobile phones are left switched on.

ECONOMIST: REPORTS

In the military, for instance, tools like satellite phones have broken down some barriers that would have better been left standing.

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