Discoverability is also a fascinating challenge for those home voice-control devices. What exactly can an Alexa do? Did it get any new features recently? Who co

Discoverability is also a fascinating challenge for those home voice-control devices. What exactly can an Alexa do? Did it get any new features recently? Who could say? You could may be get an email telling you about its cool new ability to rename timers or something, but other than explicitly reading about the new features in a manual or newsletter, how would you possibly think to ask? I feel the same way about other "unspecified functionality" services, like fancy hotels with "personal butlers." What does the butler do? "Whatever you need" is not an answer. I don't have familiarity with butlers, I don't know what is and is not a reasonable request.