T-Mobile quietly made a change that tech enthusiasts will actually appreciate - myself included

Transferring your phone number can be a hassle, especially when switching from iPhone to Android. Here's how my experience ...
Hackaday

36C3: SIM Card Technology From A To Z

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 ...