NullPxl]’s Ban-Rays concept is a wearable that detects when one is in the presence of camera-bearing smartglasses, such as ...
These days, Internet connectivity is ubiquitous, so you can look up live weather data on just about any device around you.
If cameras aren't connected to Wi-Fi, you can still pick them up with your Bluetooth. Just set your Bluetooth to its pairing mode and see what devices it can pick up. Disregard TVs and smart home ...