Which possibilities offer the channels of web based information dissemination and the invitations to ,share’ and to ,make friends’ virtually for marketing?

Web 2.0 – what is this? How time-consuming is it to participate in the web 2.0. and does it pay off for my own business? In which ways and variations can I take part in it and what suits my own products? Is there a recent public discussion on this topic? What advice do the SME associations give? What says the chamber of commerce and industry? What about the academic positions concerning marketing potential of new social networks? How do I have to improve the skills of my employees when I decide to do so?

For each of your questions we invite relevant experts to debate the questions above and to provide background information on the topic.