The product life cycle curve rising through introduction and

The product life cycle curve rising through introduction andThe product life cycle curve rising through introduction and growth, flattening in maturity and falling in decline, with an extension curve branching off in maturity and the posture for each stage belowRevenue or usageExtension: new segment or jobIntroductionInvest to learnGrowthInvest to scaleMaturitySustain, fundnext curveDeclineHarvest or retireTime (a hypothesis to review each planning cycle, not a schedule)

The classic product life cycle with an investment posture per stage. The dashed curve is the point of the critique: decisions in maturity can bend the line upward, and treating a plateau as decline can bend it down.