I was pleased to discover that if I was within hotspot range of the person I was trying to talk to (approximately WiFi range), I could connect directly to their

I was pleased to discover that if I was within hotspot range of the person I was trying to talk to (approximately WiFi range), I could connect directly to their device and send messages over that WiFi connection. It's great for things like concerts where service is spotty and you lose somebody, but know they probably aren't too awfully far away.