A lot of the things Apple introduced at its online WWDC keynote today were very much expected, but the company still managed to surprise us somewhat, with an update that's coming to its true wireless earbuds. Both the second-gen AirPods and AirPods Pro will get an automatic switching between devices feature. This will also make it to the Powerbeats, Powerbeats Pro, and Beats Solo Pro. The way this works is that the headphones will automatically switch audio inputs based on which Apple device you're using, or need to be using. If you're listening to something on your iPhone but start...