One of the new trends is Wi-Fi routers with inbuilt smart home hub functionality, whether that's Thread, Zigbee, or Z-wave.

Bitchat Mesh, a Bluetooth-based communication tool, can be downloaded for the iPhone. The connection to Android only works with an update.

Bitchat Mesh is also end-to-end encrypted, meaning all of your messages remain private and no one – not even Bitchat’s ...