Among the newest Galaxy features (and not present in iPhone 5s) is its IP67 "ingress protection" rating. The first number applies to dust (6 is the highest) and the second to water (9 is tops). An of IP67 means that the S5 is completely impervious to dust and can be sprayed with water from any direction for three minutes without incurring damage. But there's more to Samsung's story than durability. It stands alone with USB 3, an infrared emitter and NFC. It's also got new networking and self-awareness chops. Read on.