The phone is listening. Services like Shazam and Alphonso are constantly fingerprinting audio from the mics and sending these fingerprints up for "matching".
What are they matching against? Against key "content".
To check if the fingerprints from your phone mic match the "content" they have to do some kind of nearest neighbor search. What if the fingerprints aren't super close but they're somewhat close? To "content" related to certain products? Should we send the ad?
What if employees at Alphonso and Shazam _know_ that the fingerprints from your phone aren't quite close enough to have been generated from key monetizable samples of the "content", but also know that they are close enough to be effective? At targeting potential buyers?
Who decides how close is close enough? What's the ethical threshold here? And what's the most profitable threshold?
replies(2):