His voice was filled with deep sadness.

Information technology plays a very important role in modern society.

My information appliance is the latest one.

Your personal information will be strictly protected.

Information retrieval technology is essential for finding necessary information from a large amount of data.

Information theory is a field of study that mathematically analyzes the amount of information and the efficiency of its transmission.

I am majoring in information science.

Watching a movie alone is enjoyable.

I went to see a movie by myself.

That person is my friend.