What causes cultures to change over time?

The science and technology development causes cultures to change over time. Many inventions have changed our life in such a way, we tend to modify our culture.

Depending where you are e.g Africa in many parts there a very cultural parts but as to our day society we have our own source of music clothe compared to them. They feel as though to keep tourism and keep their place alive they should slightly change their customs and the traditions which have been mixed with ours to keep is happy. And this is a bad thing as time goes past then what would even be left
of the tradition of there can inertia it to pleas us

Bis your answer and your welcome