It’s important to take advantage of WiFi in this era of capped data plans, but what if you forget to turn your WiFi on? That might happen much less often in Android O. There’s a feature (not currently active) that can turn your WiFi on for you when you get near a saved network.
Based on the limited information available, this feature will turn your WiFi on automatically based on your location.
Android O feature spotlight: Automatically enable WiFi when you’re near a saved network was written by the awesome team at Android Police.