If you're a presenter or trainer and you like to use iOS devices to show things from your screen off to a broader audience, it can be challenging. Perhaps you're a developer and what to see how things look on different mobile devices. Or, if you are responsible for providing AV facilities to visiting presenters, ensuring you have all the right cables and connectors for connecting smartphones and tablets can be annoying. Reflector 3 is a solution to those challenges. Here's how it works.