I was interested to read Tracey Follows' blog on here on"Crowdsourcing ad ideas". I'm planning to devote an upcoming issue of Admap to the related areas of crowdsourcing, co-creation and other forms of engaging consumers or suppliers in participation with brands. But what is the accepted label to describe this activity? Is it Participation? Engagement? Is it just a form of Social Media? I can't seem to find a consensus view on what it actually is or any accepted definition. Can anyone help?