Thoughts on Jacks new project Bitchat? Bluetooth low energy (BLE) mesh network nostr:nprofile1qqsgydql3q4ka27d9wnlrmus4tvkrnc8ftc4h8h5fgyln54gl0a7dgspz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3vamnwvaz7tmjv4kxz7fwdehhxtnnda3kjctv6t04z5