https://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.png00spireco1https://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.pngspireco12017-06-19 09:12:562017-06-19 09:12:56Please and Thank You: How DARPA Is Teaching Robots Manners