When I was at the @gatesfoundation, I worked on improving people's access to digital financial services. One thing I picked up along the way was noticing how people paid for things. And once you see it, you see it everywhere. We modify and adapt objects and systems all the time.

Head of Platform at IDEO CoLab Ventures. Previously at Gates Foundation and ?What If! Innovation.

I’ve read a few years, that in Africa they use airtime as a digital currency (prepaid on simple phones) and use this as a medium of exchange.

Sapiens qui prospicit - Wannabe Polymath. Interested in art, music, history, philosophy and religion.

That’s right. That was the insight that led to the creation of mobile money.