Found via this O’Reilly post on the service Sandy, the Jack Principles lay out the foundation of a conversational interface. Jellyvision made the game You Don’t Know Jack, a trivia game show style video game that was remarkable at the time for a very fluid game show host persona. The game was fun, well-paced, and easy to get into. The point being, these guys have a clue about what they’re talking about.

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