The Internet is an amazing invention. Because of its getting into almost everyone's life, the world will probably never be the same.
People can log onto the Internet 24/7 in search of whatever they need. An elderly woman who is unable to drive can use the Internet to shop, and even chat with her grandchildren without leaving the house. Collectors no longer have to go to markets or yard sales on weekends to find useful things to add to their collections. All they have to do is log onto E-bay and post a bid(出价).
As a teacher, I have found the Internet is very useful in preparing the teaching plans. The Web has many sites created for teachers to share ideas and exchange information. Perhaps young people get the most from using the Internet. Besides, they can also use the Net for school projects and homework. Being able to express themselves and show creativity on sites like My-Space and Twitter is another big advantage of using Internet.
As a saying goes, "Every sword has two edges." I think that students sometimes depend too much on the Internet. They don't seem to understand that just being on Google doesn't make it a trusted source(信息来源). I cannot count the number of times a student has turned in a paper that contains incorrect facts from sites.
What's worse, chat rooms have become the new playground for bad guys. The Internet gives them the anonymity (匿名) they need to draw the attention of children and lead them to improper conversations and in some cases meeting up with them. Children may also find sites that are improper for them. Even adults can fall prey to (深受……之害) stolen passwords (密码) if they aren't careful about the things they are downloading onto their computer.
