GPS III isn't fully operational yet, but when it is, it'll be great

The GPS III satellite armada will eventually make our GPS technology more accurate, but we're not quite there yet. Just three satellites have been launched thus far, and only one of them is operational at the moment. Elon Musk recently tweeted that our 'GPS just got slightly better,' but that isn't entirely true. We tend to take GPS for granted these days. It works pretty well already and it feels like it's always been there, even though it's a relatively new technology, all things considered. I...