Our field has had a rich history, and clearly it has incredible potential going forward. There is always an opportunity for discovering or rediscovering mathe-matical principles that have not yet been fully exploited in the context of signal processing. And physics will continue to provide us with new ways of imple-menting signal processing systems. While digital platforms have played an increasingly important part in signal processing system implementation, the role of analog platforms also continues to grow, as does a mix of both. And quite likely, as the technology advances,it will become increasingly difficult to define precisely which parts of a sys-tem are considered analog and which are digital.