The most important invention in my life is definitely the computer. I spend almost half of my waking hours on it. Definitely the computer，through the computer I can communicate with the world using the internet. And it helps me to become a more successful person. When I was selecting which university and which major to take after I graduated from the high school, the internet gave me a lot of useful information about the future of some of my prospective professions. I even talked with several people in those particular professions and got their opinions about it. And I think it is really helpful. (105 words）

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