Human Development Innovation Fund believes in the power of digital to drive social impact. They created this very comprehensive guide about how to put the Digital Principles into practice. If you want to read more about each Principle linked with a case study, please click on the following links: 

Being collaborative: the case of CAMFED

Design with the user: the case of UBONGO

Understanding the ecosystem: the case of DOT

Design for scale: the case of APOPO

Build for sustainability: the case of CSSC

Reuse and improve:the case of TOTOHEALTH