> So poor, but well-off for paying for mobile phones/laptops and internet Yup — physical infrastructure is often mind-bogglingly expensive in both capex and op

> So poor, but well-off for paying for mobile phones/laptops and internet Yup — physical infrastructure is often mind-bogglingly expensive in both capex and opex (and implicitly subsidized in developed countries, so it appears cheap). > educated enough to understand the app interface/language? They might be illiterate, but they’re not stupid. As humans, they’re perfectly capable of learning (especially social learning) when it’s important to them.