"During catastrophes you most likely want to have at least “multi-hop social mesh” or yet even better “public mesh” where you share messages not only with your

"During catastrophes you most likely want to have at least “multi-hop social mesh” or yet even better “public mesh” where you share messages not only with your contacts but with anybody using Briar." What's the novelty offered here? It sounds like mesh sounds like broadcasting, and we already have those. "Briar could offer a significant advantage over analogous walkie-talkie communication if it allowed to send high-quality voice, image and other attachments." Insofar as severe disasters go, you have to consider the case whereby a whole mobile network is either temporarily or even permanently down. Ref.: https://news.ycombinator.com/item?id=39169066 https://news.ycombinator.com/item?id=39169066