[ Sherlock does a good job of not preening. Yes, he thinks it's a fantastic idea, too, but it's always nice to have people agree with him. He finally decides to turn and give the man his fullest attention. ]

I've not found any but the technology here, while rudimentary, isn't entirely useless. I suspect if one looked hard enough a video recorder could be found. Doubling down on both video and in-person watches isn't a terrible thought, either.