In Quest of the Next Information Processing Substrate: Extended Abstract: Invited. - Suman Datta; Alan C. Seabaugh; Michael T. Niemier; Arijit Raychowdhury; Darrell Schlom; Debdeep Jena; Huili Grace Xing; H.-S. Philip Wong; Eric Pop; Sayeef S. Salahuddin; Sumeet Kumar Gupta; Supratik Guha (DAC, 2017)