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Which of these is used to exchange message with others similar to a postal mail?
Which of these is used to exchange message with others similar to a postal mail?
1). E-mail
2). Chatting
3). Newsgroups
4). M-commerce
1). E-mail
2). Chatting
3). Newsgroups
4). M-commerce
This Question has 1 answers.
option 1 : seems correct
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