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"I started writing in the 1930's when I was eighteen years old. And deep inside me I'm still eighteen and it's still 1938."
- Isaac Asimov

Datasphere  
  The entirety of computers and their information linked together, typically on a planet, in concept.  

Clever term encourages the reader to visualize a vast linkage of computers on the surface of a planet, perhaps using connections in orbit, forming a sphere.

"The colony worlds have limited dataspheres," said Johnny. "While there is some contact with the TechnoCore via fatline transmissions, it is an exchange of data only... rather like the First Information Age computer interfaces... rather than a flow of consciousness. Hyperion's datasphere is primitive to the point of nonexistence..."
From Hyperion, by Dan Simmons.
Published by Doubleday in 1989
Additional resources -

The term is also used in the novel to describe the totality of linked computer systems on a large ship:

"How long until we land?" asked Brawne Lamia. She had been using her comlog to access the treeship's datasphere and obviously was frustrated with what she had found. Or had not found.

Charles Stross picks up this term and runs with it in Curator (2003):

Amber and her husband have few funds with which to pay for the propulsion lasers: what they have left of the kinetic energy of the Ring Imperium — based on the or- bital momentum of a small Jovian iimer moon — is being sapped, fast, at a near-loss, by the crude requirements of the exobionts and metanthropes who fork and spawn in the datasphere of the outer Jovians.

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Additional resources:
  More Ideas and Technology from Hyperion
  More Ideas and Technology by Dan Simmons
  Tech news articles related to Hyperion
  Tech news articles related to works by Dan Simmons

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