Reminds me of Jodel and the now-defunct Yik Yak. Yik Yak took the "cells" or "herds" approach. Some history here: https://en.wikipedia.org/wiki/Yik_Yak https:/

Reminds me of Jodel and the now-defunct Yik Yak. Yik Yak took the "cells" or "herds" approach. Some history here: https://en.wikipedia.org/wiki/Yik_Yak https://en.wikipedia.org/wiki/Yik_Yak I'm not sure how you're going to avoid the same issues that Yik Yak faced. "Ambient social networking" isn't new, but it's never taken off. Some reading: https://www.quora.com/Why-have-almost-all-location-based-messaging-apps-failed https://www.quora.com/Why-have-almost-all-location-based-mes... https://techcrunch.com/2013/07/23/location-vs-communication/ https://techcrunch.com/2013/07/23/location-vs-communication/