Can I create a MESH network with mobile phones?

Episode 1591
Nolan fromNolan wants to know if a mesh network can be deployed with a mobile app? Leo says that the earliest uses of MESH were through a mesh of internet hotspots with mobile phones. It talked to other mobile devices and connected them. It was to create a network where there is no internet. Here's an article about it - https://www.technologyreview.com/s/516571/build-your-own-internet-with-mobile-mesh-networking/