the extended_abstract folder has the submission the video is available at : https://www.youtube.com/watch?v=KMWSlnXNXzQ the still image is filename : live-pbe.png the supplement writing is available at: https://docs.google.com/document/d/1poGVqWTL6oCqzmw4ma5GEjv-lBkhBJ-F0G0B-5wXG58/edit