I was invited here. I'm honored to have been invited here to give a keynote speech on the future of Exiscale systems. So my talk had three parts. The first part was some conjectures about the advances, technical advances, which are going to enable Exiscale in the next five to ten years. I looked at issues of energy efficiency of the improved memory bandwidth and of course Moore's Law and possibly the end of Moore's Law. The conclusion I came to was that human ingenuity is getting around physical limitations and is ultimately going to enable Exiscale computers in the next ten years. The second part of my talk was to look at use cases which we have treated at the Swiss National Supercomputing Center in particular in the field of atmospheric modeling. We've ported two models to our supercomputing systems, which are based on graphics processing units and explain some of our experiences and conclusions we made from those two efforts. The third part of my talk concerned new programming paradigms which are going to be needed as we program these Exiscale machines in the time frame from now in the next ten or fifteen years. And some of my conclusions were that paradigms are evolving right now which might actually replace the current tools we're using. Emmett is all about emerging technologies. Our center is at the forefront of emerging technologies because we have a leadership computing platform which uses graphics processing units that's quite unusual in the field where people use more classical architectures. We are also open to the fact or realizing the fact that future architectures might again look different. We're very interested in following these trends in emerging technologies and providing paradigms which ensure the longevity of software so that it can be ported to these future machines as they become available, these future technologies as they become available. And that's my interest in joining you here at the Emmett Conference in Barcelona.