This blog is also about internet sites like Twitter, because of that I want to pick up this topic:
In my opinion, the Internet is a huge playground, where many people meet or communicate with each other. Like in every society you've to accept some rules, for this reason cyber bulling is a breach of the rules and we shouldn't close our eyes, because we are not affected.
I believe the person on the other end of the Internet cable is a person like you and me, so he/she has the right to be accepted.
Here's a link to persons who deal with this topic: