My favorite invention

My favorite invention must be the cellphone with internet. The first cellphone was be made in 1973 by an America engineer,Martin Cooper. As time goes on, the size of cellphone is more and more smaller and advanced technology keeps updating. A lots of functions are in one cellphone that makes tightly integrated with people’s life, such as checking everything with it everywhere, taking automobile without physical tickets. It’s really convenient for people. Although cellphone brings a lots of benefits, we need to remind ourselves to take a break after using for a while. It can avoid feeling tired because of receiving too much information from cellphone. By using cellphone appropriately lets me work efficiently, connect my social network and enjoy the entertainment. So I think cellphone is my favorite invention.

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