The document discusses key performance indicators (KPIs) for measuring the value of agile development. It describes KPIs such as usage index, which measures the usage of product features to prioritize valuable features; innovation rate, which measures a team's ability to build new features by reducing support needs; on-product index, which measures a team's efficiency by reducing distractions; and installed version index, which measures the number of supported versions requiring support and impacting a team's ability to innovate. The document promotes analyzing these KPIs to improve a product's growth and a team's focus on valuable features.