What is the most meaningful trend in the field of tourism nowadays that makes so many people be interested in travelling?

Developing number of people, who would like to travel, tend to say that it has never been as easy as it is currently. Therefore, we might be also ascertained that in order to travel to more regions on the globe we are not obligated to have for example as much money as it used to be necessary inter alia some decades ago. One of the most attractive developments that occurred in the last period of time is connected with reduction of the costs of airplane tickets.