SIM cards are all around us, and with the continuing growth of the Internet of Things, spawning technologies like NB-IoT, this might as well be very literal soon. But what do we really know about them ...

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If you're looking to save money on your wireless bill, these lesser-known, lower-cost cell phone plans might be the ticket. I’m one of PCMag’s mobile writers. That means I check out phones, hotspots, ...