The Priciple of Indirection

Jon Udell, CC BY, Oct 01, 2010
Commentary by Stephen Downes

A nice description of the concepts of 'pass-by-vale' and 'pass-by-reference' for non-programmers, an application of this to day-to-day life, and a good argument to show why pass-by-reference, though used by a small minority, is actually a superior way to pass information:
- there's an authoritative source for the information
- this source is always up-to-date
- the source is social; we can connect by reference to it
- the source is collaborative; anyone can add to it
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