After listening to some experts speak about this, I don't think that's the case. One cited a lot of large apps as sources of data, especially free apps that off

After listening to some experts speak about this, I don't think that's the case. One cited a lot of large apps as sources of data, especially free apps that offer a good service. Waze keeps getting brought up in this debate as well, though I'm unsure if it is used in this context.