> so unless there is something in Facebook's ToS/EULA that mentions doing this I'm skeptical I don't see why the vague terms in their data policy [1] couldn't

> so unless there is something in Facebook's ToS/EULA that mentions doing this I'm skeptical I don't see why the vague terms in their data policy [1] couldn't include audio (all-caps are my own emphases): > We collect information FROM or about the computers, PHONES, or other devices where you install or access our Services, depending on the permissions you’ve granted. [...] Here are some EXAMPLES of the information we collect: > - Device locations, including specific geographic locations, such as through GPS, Bluetooth, or WiFi signals. If device location is merely an example of information they gather from my phone then why couldn't audio just as easily be another example? [1] https://www.facebook.com/full_data_use_policy https://www.facebook.com/full_data_use_policy