71.  Using it, we can happily send emails to our friends and coworkers, post messages on school or company network bulletin boards, and chat away in a computer service forum with buddies who share interests with us.

72.  If you have posted anything on public interfaces such as online blogs and Facebook, or if you have installed software such as Foxy or BitTorrent, beware of possible leakage of any personal or confidential information from your computer.

73.  We use the Internet, happily sending emails to our friends, posting messages and chatting with others.

74.  You may find your private information posted on the website and the reference material you cited turn out to be fake.

75.  We should speak freely with respect, common sense, and by thinking first to protect our interests and the interests of who may venture to see what we want to say when we post a message on the internet.

76.  Nowadays, Internet does much good to our life such as happily sending emails to your friends and coworkers, posting messages on school's network bulletin boards.

77.  They might show you a good product online but post you one that is bad.

78.  As the quick development of the Internet, we are coming into the electronic age, happily sending emails to your friends, posting messages on school bulletin boards, and of course shopping online.

79.  So here you are in the electronic age, happily sending emails to your friends and coworkers, posting messages on school or company network bulletin boards, and chatting away in a computer service forum with buddies who share interests with you.

80.  In addition, someone may post something that doesn't really exact on internet, once you buy it you are cheated.