(1) A business typically grows for a length of time until it tapers or levels off.
(2) Then it begins to go down as it encounters resistance.
(3) The resistance is typically the entrance of competitors, lower prices, or the simple fact that the majority of the market has already purchased the product.
(4) The business then (usually) goes away, becomes a much lesser version of its former self (usually), or figures out how to start growing again.
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