Within the leisure travel market, tourism digitization performs a vital role. Revenues of Booking Holdings and the Expedia Group – the largest two on-line travel agencies worldwide – more than doubled between 2013 and 2019, whereas evaluating services on travel review web sites, similar to TripAdvisor, grew to become an important part of the overall tourism experience. As the COVID-19 pandemic turned the travel industry upside down, digital innovation, together with new hygiene measures, home locations, and sustainability will probably lead the way in the new period of leisure travel.

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