Nestled inside your cellphone is a teensy sliver of plastic you almost certainly never think about. Thats your SIM card — the bit that basically stores your phones identity and passes it along to whatever wireless carrier network you pay for. Its absolutely crucial to the way your phone operates, but wireless carriers and network companies have been plotting its demise for years. As far as theyre all concerned, the future belongs to whats called an eSIM — short for embedded SI…Read more