It is probably as old as time itself, but I have been thinking about the ebb and flow of forum popularity.
It seems to me that FP (form popularity) is a lot like rivers or trees. In dry years rivers shrink and are sustained only by rain and rising the level of lakes that act as the stabilizing force of rivers.
The same is true for trees, that are masterful at surviving with very little foliage. They strip back their leaves and are supported by their strongest, deepest roots and their best, most well positioned leaves. Some trees, last centuries this way; in some years they flourish and grow and other years they are simple supported by these strongest of roots and leaves.
Sounds like FP doesn't it ?