What are the modern ways to transmit information?

1, telephone, telephone is a terminal device that transmits voice in two directions through electrical signals. There is a landline and a mobile phone to make calls.

2. WeChat supports fast sending of free voice messages, videos, pictures and texts across communication operators and operating system platforms. At the same time, you can also use service plug-ins such as "shake", "drift bottle", "circle of friends", "public platform" and "voice notepad" to enjoy streaming media content through * *.

3. QQ and Tencent QQ support online chat, video call, point-to-point breakpoint file transfer, * * file sharing, network hard disk, custom panel, QQ mailbox and other functions, and can be connected to various communication terminals.

4. SMS refers to the text or digital information directly sent or received by users through mobile phones or other telecommunication terminals. The number of characters that users can receive and send short messages at a time is 160 English or numeric characters or 70 Chinese characters.

Write a letter, then go to the post office to buy stamps, stick them on the envelope, put the envelope into the mailbox, and you can post the letter. The postman will deliver the letter to the other party.