There is a very technical battle going on in the standards world, with companies vying for the crown of future SIM standards. Companies like RIM, Nokia, and Apple are all looking to have their own proprietary SIM standards put forward as the new standard for nano-SIMs, which will not only provide bragging rights but will simplify future product design for companies. The Verge has a full breakdown of each of the proposals, and it appears that Apple is the most conventional and feasible.

[Source: The Verge]