A3 Sudden disruptive obsolescence

Topic

A dominant information or knowledge technology can maintain its position for a long time, bolstered by the same network effects that—in cases of extreme platform monopoly—ultimately lead to near-total market capture: the more users adopt it, the more valuable it becomes to others, and this feedback loop shields it from lesser alternatives. Sudden disruptive obsolescence occurs when this protection is no longer sufficient, as a substitute technology emerges that is capable of triggering its own version of these network effects and growing upon that foundation until it displaces the incumbent.

The variable that triggers this anomaly is the substitute technology’s adoption rate crossing a critical tipping point: below this threshold, the substitute remains a marginal alternative that coexists with the dominant technology without threatening it; once the threshold is crossed, its own network effects begin to reinforce one another and adoption accelerates. It is at this stage that the previously dominant technology becomes obsolete abruptly, rather than gradually losing ground. The near-zero marginal cost of reproduction—a defining characteristic of this type of technology—allows the crossing of this threshold to translate into rapid displacement: once the substitute technology passes the tipping point, extending it to more users encounters no capacity constraints that would slow the pace of substitution.

This anomaly strips the previously dominant technology—and the market position built upon it, including any market capture typical of extreme platform monopolies—of the protection previously afforded by network effects. The very mechanism that sustained its dominance ends up working against it once the substitute technology crosses the adoption threshold.

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