Participatory cultures - Wikinomics and We-Think
Pro's:
More input to develop idea
Cost effective
Nothing to lose
Access to facilities
Split up workload
Do deadline
Control over work
Knowledge is power
Doesn't have a deadline
Youtube, wikipedia etc. is an ongoing process, doesn't have to finish

Con's:
Participation gap
Transparency problem
Ethnics challenge
Never make a profession out of it
Destroying establishes bsuiness model
Participants are not always close, so communication can be hard

Internet combines with others meaning explosive creativity

You are what you share!! - WE THINK
- Charles Leadbeater

Structures
Heirachy

Don Tabscott author of Grown up digital

Contributary culture - key phrase