第1个回答 2012-06-23
Internet is essential for a modern sociaty. First of all, internet is used as one of the most important communication tools between nations, cooperations and individuals. People can share their information, ideas and news online, which may be spread out very fast. However internet is also a double edged sword. As the identities of the users are not required online, this makes the internet a perfect platform for people to commit crimes. Without real identities, it is not easy to catch the criminals if they commit crimes online.