Amazon's Echo speaker can do everything from controlling your home to ordering pizza, but its latest trick is something special... at least, if you're a fan of caped crusaders. As part of a team-up with DC Comics and Warner Bros., Amazon has launched a Choose Your Own Adventure-style interactive Batman story, "The Wayne Investigation." The tale has you telling the Echo where you want to go as you search for clues following the murder of Bruce Wayne's parents. Depending on how well you do, the voice-guided game lasts anywhere between a brief 5 minutes (clearly, not the successful path) to a lengthy 40 minutes -- at that point, it's basically a radio drama for the internet era.