Classify the following sentence into one of the categories: descriptive, narrative, expository, persuasive, or general.
Technology has changed the way we communicate.
The sentence is expository.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the following sentence into one of the categories: descriptive, narrative, expository, persuasive, or general.

### Input:
Technology has changed the way we communicate.

### Output:
The sentence is expository.