350 word minumum:

50 words:Imagine a time before GPS navigation was as widespread as it is now, and think of the system for navigation comprised by two individuals, a map, and any other artifacts the individuals generate.

100 words: from the perspective of distributed cognition: what cognitive activities, including perception, memory, reasoning, and acting, does each part of the system perform?

examine this same situation from the perspective of social cognition.

100 words.What does social cognition reveal about the situation that distributed cognition does not?

100 words.How might the social relationships among the parts of the system affect the success of the system as a whole?