How big is your listening digital footprint @juliantreasure #TEDtalk

This TED talk  by Julian Treasure  - 5 ways to listen better. He has several versions on the same topic and theme http://www.juliantreasure.com/Julian_Treasure/Home.html  The reason for putting it here on a blog about digital footprints is that listening is part of our digital footprint...and sensors are trying to do what Julian describes for us to help in that filter.