Apple's HomePod might be hiding a killer secret feature

Back in June, Apple did what many analysts and insiders expected it to do by taking the stage at WWDC and announcing the upcoming release of a smart speaker to compete with Amazon's Echo and Google Home. It's called the HomePod, and when it was first shown off, a huge emphasis was placed on its musical prowess. Now, thanks to some seriously impressive code sniffing by one dedicated developer, we might have just been treated to a secret HomePod feature that Apple hasn't yet revealed: a built-in d...