Note that this is not a law, as in Murphy's or Godwin's, but a scale of measurement for an observable property.
Assumed that the productivity* of a discussion is halved for each response to a poster questioning his own involvement, we can derive a score by which to determine the noise of a channel (in this case, a thread), and from this predict our chances of communicating successfully through it.
Proposed are two units, the Amon and the Alemagna. Amon are a simple count; thus a single response to "Why does my name keep popping up in this thread?" gives a thread a rating of 1 Amon. Alemagna are further derived units, taken by dividing the initial productivity of a channel (which may, but does not have to, default to 1**) by half for each Amon it rates.
Thus:
Alemagna = 1 / 2^Amon
So, a thread with an initially assumed productivity of 1 and carrying a rating of 1 Amon works out to a score of 0.5 Alemagna; a 2 Amon thread becomes 0.25 Alemagna, and so forth. Correlation is unproven, but the Alemagna rating may be considered a rough probability of further discussion being noticed or taken seriously.
*'Productivity' is here defined as the percentage probability of new information being conveyed to the audience of the forum as a whole.
**Other factors may influence the initial productivity of a thread, ranging from anonymity on the part of the first poster to assertions of trolling.
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[All in good fun, guys!]
