Sensible people can see the line in the sand and don't cross it (oh, alright...occasionally), but some people don't realise that with free speech comes responsibility. However, there is a problem that is a modern one. In the past, you could write an acid letter and never send it. If you say something cruel you can quickly qualify it when you see the other persons face. Forums and twitter mean that you write words down that devastate the target, perhaps more than you intended.
