Take a look at Google wave! Presentation on Youtube (1.5 h): http://www.youtube.com/watch?v=v_UyVmITiYQ&fmt=18 http://wave.google.com/ http://wave.google.com/help/wave/about.html Everything in realtime: editing of dokuments by several users, updating of blogs and posts, inline comments for easy communication, translations, replay feature, open source, several platforms (including mobile phones) and browsers, easy linking and content sharing... This looks like the perfect tool for work, friends and community management! I'm usually not a big Google fan due to all the information they gather but this looks really useful. If we only had this at work already...