Not just driving habits, but timing and locations visited, hence people met, by interpolation. The black box is by all means a bug. Also being all of them close

Not just driving habits, but timing and locations visited, hence people met, by interpolation. The black box is by all means a bug. Also being all of them closed source, there's no guarantee they don't contain circuitry to listen to conversations or hidden cameras. Paranoia? Yes, totally. Today's world fully justify that.