Using Bluetooth to build a mesh network for local communication will get you a takedown request by the Indian authorities because decentralised communication will be used by terrorists, „anti-national elements“ etc. In this case it is about Jack Dorsey‘s new BitChat app, so you might think he deserves it. That would be wrong, though. Let’s see how Microsoft/Github reacts. https://www.thehindu.com/news/national/government-orders-github-to-remove-bluetooth-based-chat-app-bitchat-over-security-concerns-jack-dorsey/article71262049.ece