I sent the documents by mail.

I hate receiving chain mail.

We have a contact form on our website, so please feel free to contact us if you have any questions.

I look forward to this email newsletter every week.

May I give you my e-mail address?

They are my best friends.

I am majoring in information science.

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.

Information technology plays a very important role in modern society.