Enabling technologies for improving quality of life and economic opportunity in the developing world, in a way that doesn't require large capital outflow or aid-based investing. EG, low cost renewable power generation, labor reducing tools for agriculture, water purification and management, sewage handling, computing, local manufacturing, etc.
In line with this, $1-10/day basic income in the developing world would be a much cheaper and potentially more impactful way of testing the concept compared to the ~$30/day minimum for meaningful impact in the US.
