To effectively measure the impact of product marketing, success metrics must be defined prior to launch. These Key Performance Indicators (KPIs) should align with anticipated outcomes and may include adoption and conversion rates, value proposition alignment with customer needs, Net Promoter Score (NPS), return on investment (ROI), market share growth, brand awareness, engagement, and customer interest. If early response data indicates suboptimal results, be prepared to adjust your marketing strategy accordingly. For example, if market share growth falls short of expectations, it may be necessary to reassess pricing strategy or competitive positioning.