At our virtual Showcase Symposium 2020, Allen Institute for Brain Science teams present project talks highlighting their work. Please use this forum thread to ask questions for the speakers of the Visual Coding 2-photon talk with @saskiad, Daniel Millman, @michaelbu, Stefan Mihalas, Jun Zhuang, Natalia Mesa, Peter Ledochowitsch, and Kat North. Please see the full list of Showcase 2020 forum threads to ask questions about other talks.