Following the publication of our primordial graviton background paper in ApJ Letters, both the University of Cambridge and Harvard University have issued a joint press release which beautifully summarizes our results, and which you can find at the following links:
www.cam.ac.uk/research/news/can-cosmic-inflation-be-ruled-out
www.cfa.harvard.edu/news/can-cosmic-inflation-be-ruled-out
Enjoy the read!