Part I: Technology.- The Evolution of Chatbots in Tourism: a Systematic Literature Review.- In-room voice-based digital assistants transforming on-site hotel services and guests'' experiences.- Co-Creating Personalised Experiences in the Context of Personalisation-Privacy Paradox.- AI based Self-Service Technology Service Failure in Hotel.- Part II: Innovation.- Loyalty Programs and Direct Website Performance: An Empirical Analysis of Global Hotel Brands.- A Netnographic Study of Consumer Value in Slow Travel.- Coworking & coliving: do they attract digital nomad tourist?.- Robo-tipping: Are customers game?.- Part III: Social Media & User Generated Content.- Tourist experiences at overcrowded attractions: A text analytics approach.- A Pinterest Netnography.- Contextual Effects of Online Review Recency: Three Research Propositions.- Cultural traits in the consumption of luxury hotel services. An exploratory analysis through online reviews data.- Part IV: Destinations.- The Digitized Ecosystem of Tourism in Europe: Current Trends and Implications.- Destination Imagery Diagnosis Model: The Case of Switzerland.- Discovering Cultural Differences through Information Flow of National DMOs Websites.- Smart Tourism Cities'' Competitiveness Index: A Conceptual Model.- Part V: COVID-19.- Hear no virus, see no virus, speak no virus: Swiss hotels'' online communication regarding Coronavirus.- Factors influencing tourists'' intention to use COVID-19 contact tracing app.- Examining Post COVID-19 Tourist Concerns Using Sentiment Analysis and Topic Modeling.- Enhancing the Visitor Experience in the time of COVID 19. The use of AI Robotics in Pembrokeshire Coastal Pathway.