91% of users have unsubscribed from a company email they previously opted into. 3 pillars to implement enterprise 2.0: technology, process, culture. a lot of intellectual capital created in meeting get lost unless we capture it. network structure is the next phase after matrix structure. we learn from community of practices we need new roles such as curator to engage the audience. we need to catalize and foster (favoriser) employees passion. @cecildijoux