# Background

- [Sell2Earn Model](/spharma/background/sell2earn-model.md)
- [Vision](/spharma/background/vision.md)
- [Market problem](/spharma/background/market-problem.md)
- [Forecasting customer needs](/spharma/background/forecasting-customer-needs.md)
- [Distribution agents](/spharma/background/distribution-agents.md)
- [Manufacturing enterprises](/spharma/background/manufacturing-enterprises.md)