I was on assignment at the Boeing plant at the Charleston, S.C., airport, when my phone began to vibrate: It was Dow Jones security calling to tell me there was an active shooter in downtown Charleston and I should take cover if nearby.
Perhaps you’ve gotten a similar call during your travels. More companies are tracking employees on the road far more closely. They’re providing services like alerts about everything from traffic jams to terrorist attacks, medical consultations and emergency evacuation.
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