The document discusses frameworks for understanding digital agriculture and emerging business models. It provides an overview of Porter's value chain framework and challenges for farms. It then presents canvases for how ICTs can be applied in agriculture across different actors and activities. These include knowledge intermediaries, government departments, distribution channels, agricultural marketing structures, and farm operations. The document outlines an innovation spectrum from digitization to disruption enabled by technologies like AI, ML, and big data. It provides examples across research/extension, peer collaboration, governance platforms, risk/monitoring, markets, and operations. Finally, it discusses ICRISAT's digital agriculture innovation platform iHUB, its portfolio and achievements, learnings, and plans for 2019-2021