2. Read the text. What happened in 1973, 1986, 1992 and 1997?
(Đọc đoạn văn. Chuyện gì đã xảy ra vào năm 1973, 1986, 1992 và 1997?)
A brief history of mobile phones
» Nearly a billion mobile phones are sold every year worldwide.
» The first mobile phone call was made in 1973 by Martin Cooper. He was an inventor for a leading mobile phone company. The call was answered by the boss of a rival company, who was not happy to hear that he had lost the race.
» The first mobiles were powered by batteries that weighed nearly a kilo.
»Voicemail was added to phones in 1986. Internet access was not added for another ten years.
» The first text message was sent in December 1992. it was not typed on the phone itself but on a computer.
» The camera phone was invented in 1997 by Philippe Kahn. Photos of his newborn daughter were shared via his phone with 2,000 friends and family.
» In the UK, a mobile phone is stolen every three minutes.
»What are mobile phones used for the most? It isn't texting or calling — it's checking the time!
1973: The first mobile phone call was made by Martin Cooper.
(Cuộc gọi điện thoại đầu tiên được thực hiện bởi ông Martin Cooper.)
1986: Voicemail was added to phones.
(Thư thoại được thêm vào điện thoại.)
1992: The first text message was sent.
(Tin nhắn đầu tiên được gửi đi.)
1997: The camera phone was invented by Philippe Kahn.
(Chiếc điện thoại có máy ảnh được phát minh bới ông Philippe Kahn.)