How ‘frugal innovation’ can fight off inequality

Inequality is the defining social, political and economic phenomenon of our time. Just 1% of the world’s population now holds over 35% of all private wealth, more than the bottom 95% combined. Bad as this may seem, trends suggest that the situation will only get worse. Addressing it will involve multiple strategies working together, but one which is less well understood is how simple, affordable solutions to people’s problems can make a genuine difference from the bottom up.