This is the translation for an article published in t3n, a german magazin about open-source and typo3. This text is licensed under cc-by, so feel free to correct my bad english or take it to your own language.
Platforms of the Social Web do manage to involve the users, but also consist for the most of them of content produced by users or the communication of users. Within that there are patterns of design implemented, that allow and enhance participation and conversation. Here is a overview of recurring patterns, which have been called Conversational Design Patterns recently.