This is the 2349th most frequent Spanish word.
tecnológico
Technological.
In this sentence, "tecnológico" is used as an adjective describing "avance," indicating that the advancement pertains to technology.
El avance tecnológico está revolucionando nuestras vidas.
The technological advancement is revolutionizing our lives.
Here, "tecnológico" modifies "mundo," describing the characteristic of the world as related to technology.
Vivimos en un mundo cada vez más tecnológico.
We live in an increasingly technological world.
In this case, "tecnológico" describes "exposición," attributing it to the domain or theme of technology.