Protocol Buffers are Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data – think XML, but smaller, faster, and simpler. But Google isn't the only company using Protocol Buffers. Apple recently released open source Swift support for Protocol Buffers, and while nothing has been disclosed, you might imagine many iOS systems that would benefit from a fast, robust way of serializing data. Could this help you make your apps better? You bet! We'll show you how.