Most of us feel the average Subscriber Identity Module card is too small for our sausage-like digits, device makers loathe giving up that amount of space to an oversized plastic rectangle. Efforts to slim it down have been underway for ages, which is why some smartphones come with a micro-SIM, the easy-to-hold outer rim chopped off to make space for bigger batteries inside your device and to ensure your greasy fingers get all over the metal contacts. Sadly, it's time to wave goodbye to the idea of op