I just used nRFConnect and found a device name that was strange to me. Got curious and asked Google.
A personal pleasure toy (aka sex toy) that is visible on Bluetooth. Just for fun I walked a bit around in the garden and found the direction where the signal got stronger.
I can now deduce with reasonable certainty which of my neighbors home has a remote controlled sex toy in it. As I know the family living there and how conservative they are with their cultural background I would not have expected that.
Imagine how I now just could now wait for the parents to make their big yearly holiday. From the website of the tool I know the specs on how long the battery holds when not in use. So if before the end of the holiday the tool is visible in Bluetooth I could reason with a very high degree of certainty that it was the daughter's tool. If it were so this tool would five her away. It would be a liability for her (if it is her tool). If their community knew, they would be appalled. So it is a liability for the whole family as well.
They are nowhere near the technical ability to identify this liability I just stumbled upon by chance.
For the Arduino route I'd heavily recommend the Adafruit Bluefruit boards over the official Arduino BLE boards. Some of the Bluefruit boards are based on the nRF52 and therefore support OTA. The BLE implementation on the official Arduino boards (for example Nano 33 BLE) is okay but IMO Adafruit is doing a better job there.
