Quantum Computing Again: D-Wave

Now a number of years ago I met with some former colleagues  to pose appropriately difficult problems for their recently constructed quantum computer D-Wave.   The relationship of quantum computing to computationally complex problems is especially interesting for key commercial problems that we cannot solve today. Since then there has been a controversy about the models they use.  It was nice to see in a New Scientist article that some of these issues have been resolved.  A recent Nature article is linked to provides technical details. I wish them luck as their work proceeds.  Their commercially available systems are already used by companies like Lockheed-Martin.