The Concept of Primary and Secondary

Revision 1
3.10.2012
Valerio Bellizzomi
System Experiments Laboratory


Introduction

The concept of primary and secondary is as ancient as the computer and internet.


Primary

A primary can always write his own published information.

Secondary

A secondary can always read published information but he cannot write.

Primary and Secondary

Everybody is a primary with respect to himself and a secondary with respect to other people.

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