• Use only English
  • Don't use insulting or aggressive language.
  • Respect your classmates and anyone else who gets involved in the conversation.
  • Don't SHOUT.
  • Remember that this is a public activity. Anyone can read what you write. Never reveal your (or anybody else’s) phone number, address, email address or any other piece of information which might be unsafe.
  • You should read all the tweets and contribute to the conversation. At least 3 times a week.
  • You can suggest new topics.
  • If you are using firefox I recommend you download Echofon. Or you can download TweetDeck, a desktop application.

New to Twitter?
No idea what Twitter is? Have a look at this video.
Have a look at some useful tips here.
Here you can read an article on Twitter Vocabulary.