> Home / News / Physicist and Girls Who Code Founder to Keynote Annual Retail’s Digital Summit Michio Kaku a keynote speaker at Shop.org's Retail’s Digital Summit for more than 5,000 retail, e-commerce and multichannel executives, September 27. https://nrf.com/media/press-releases/physicist-and-girls-who-code-founder-keynote-annual-retails-digital-summit