Iridium Communications

SpaceX's Falcon 9 booster roared back into service today over four months after a disastrous launch pad explosion threw its future into doubt.

If you're in the middle of nowhere without a signal, your smartphone won't do you much good. Many people already use satellite phones when they're in far-off places, but a new device from Iridium takes a satellite signal and turns it into a hotspot for your existing devices.