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My grocery store wants to know my BMI
(lemmy.world)
If they were interested in my location they could request location data. What are the odds they are doing this to directly market products to people based on health data?
Inb4 “They already do that based on what you regularly purchase”
Of course, yes they do. This appears to be one more layer on top of it. And surely they wouldn’t share that information with the pharmacy, right?
Is turning off WiFi sufficient in Android to stop my phone's scanning attempts?
The relevant permissions for these kinds of apps can still trigger background scans for wifi and Bluetooth even when turned off (except in airplane mode). You have to deny the permission to access location, etc, to prevent that.
Bluetooth as well, even if you don't connect, you're showing up as a ping.
Easy to tie that to your rewards card at checkout, then they know who the Bluetooth signal belongs too.