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neilc
on July 7, 2011
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What's in a SMS message? The real cost & just how ...
> Those aren't small costs.
No, but they are largely fixed costs, not marginal ones.
http://en.wikipedia.org/wiki/Marginal_cost
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No, but they are largely fixed costs, not marginal ones. http://en.wikipedia.org/wiki/Marginal_cost