Since Internet provides a convenient, cheap and fast way to share the data and ideas around world; the differences between cultures and laws in different country may challenge each other.

• US legal system is based on case law and hasn’t caught up with the Internet
• The Internet allows a computer in country X to communicate with a computer in country Y, but laws differ
  • This enables people commit online crimes, and not being caught, by using a computer in a different country.
• Consequence: there is no easy way to stop problems like spam, false advertising, and online scams
  • Phishing mails or websites may risk your properties.
• Some country may use network censorship to monitor their residents' behavior.
• Unbalanced network usage
  • Large network services providers like Google may use more network resources than other users.
• US-centric

People don't see each other on Internet. We can only imagine the people on the other side.

• Like a super masked/dressed ball: you are communicating with others, but you have no idea about their background.
  • Everyone is smarter, richer, and better looking online.
• Personal data being stolen and posted online.
• Easy to post fake or incorrect messages.
• Posted data is can never be actually deleted.
• Less personal space.