Mainly, the technology can answer hundreds of questions about the cruise. It can be activated with the phrase 'OK ZOE', prior to any questions.

To make sure ZOE would answer to anyone, she has been programmed and trained to respond to more than 800 of the most usual questions with thousands of different variants of each question.

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ZOE has been tested many times in order to transform the natural speech to text and back again to natural speech.

As an artificial intelligence solution, ZOE is designed to continue learning and developing her responses based on real guest interactions.

Concluding, Gianni Onorato, MSC Cruises' CEO reported that the technology was built into the very design of the new ships, incorporated into every step of the development process of each prototype, from conception to construction.