Distributed Cognition

Distributed cognition is a psychological theory that knowledge lies not only within the individual but also in the individual's social and physical environment.

Social Media and the theories of Distributed Cognition

We see a direct connection between what is going on in social media and many of the communication models that have been described within the Distributed Cognition framework (see, for example on the research by team at UCSD, James Hollan, Edwin Hutchins, and David Kirsch:

http://files.meetup.com/410989/DistributedCognition.pdf