Oral language is the most common human means of communication. Today we can communicate with each other anytime, anywhere, through many different means such as phone, instant message (SMS), yahoo chat, email, using facebook social network, twitter, youtube ... But in the olden days, when the technical level was not yet developed, how did people communicate with each other? They use pigeons to deliver letters, or use private symbols drawn in caves to transmit messages to each other, use smoke as signals ... In the past, there were three stories of tea pots that made friendship, today just need a phone to know you or not? We do not criticize the development of technology, but we need to preserve and protect the "communication culture" in our cultural life so that people can talk to each other more to make life more beautiful.

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