Tourism has changed in the past 50 years by 35% and is still on the increase.
Eco-Tourism
What the hell is tourism? Enough said.
The 1950s marked the beginning of tourism in India. The tourism industry has grown and changed in the decades since then.
Travel and tourism has changed since 1945. More travelers travel by airplane, and there are more things to do and see in 2014.
they dont get along
Very much - Venice was an ordinary sea port - but became a ceter of tourism
because it is cheap.
Technology
they have been increased
With the advances of technology- especially flight it has increased. Even with threats of terrorism, tourism continues to increase.
It has changed a lot. The reason is because of 911. And I'm, guessing( if you are smart) that you know the rest.