Some of the sites, books, journals and articles that I enjoy and rely on:
Academy of Management Discoveries (Journal)
Robohub.org (open source robotics news)
Human-Robot Interaction (Journal)
The Robot Report (market research)
I’ve collected additional resources on my twitter profile.
My favorite recent quotation: “In theory, there is no difference between theory and practice. In practice, there is.” – Yogi Berra