Giesecke & Devrient, the German company that invented the SIM card, recently came up with the idea of the nano-SIM. This new, even smaller version of the SIM is only a third of the already tiny micro-SIM and will help device manufacturers save some precious space inside their devices.
Image courtesy Esato
But now there is problem. Hardware manufacturers have proposed their own version of the nano-SIM, which they think should be made the standard. Once chosen, the other manufacturers will then have to license it to use it in their devices.