11.   In my opinion, we should consider seriously before we represent something.

12.   At the same time, before we say something in cyberspace, we should consider other's feelings.

13.   First and foremost, we should consider about our interest and the interest of the people who see what we have to say.

14.   We should consider who will see it before we want to talk about something.

15.   So we should consider how to enjoy the freedom of speech and in the meantime keep our privacy.

16.   we should consider our privacy in the first place when we have an enjoying of freedom of speech.

17.   First, before we express our minds, send messages or photos to our friends through net, we should consider who may see it, what can others quote it for.

18.   That is to say, privacy should be considered firstly.

19.   When you write anything to the Internet, you should consider whether it's safe for your intest or others'.

20.   Before we use our right of speech in cyberspace, we should consider who will know the things we have written.