OpenBSD's stateful packet filter, PF, offers an amazing feature set and support across the major BSD platforms. Like most firewall software though, unlocking PF's full potential takes a good teacher. Peter N.M. Hansteen's PF website and conference tutorials have helped thousands of users build the networks they need using PF....

American business is dysfunctional. Companies of all sizes follow the mistaken belief that their products and services are best sold through organizations with pervasive market reach. Far too many business leaders fail to realize - until it is too late - that the relentless pursuit of volume at all cost is not the key to long-term profits and...

The origin of this volume came while planning the 2009 International Conference on Decision Support Systems. The theme of that 2-day conference was “Assessing Today and Envisioning Tomorrow.” We wanted to summarize where the field had been and generate ideas regarding where it was going. The meeting brought together...

Brain and mind continue to be a topic of enormous scientific interest. With the recent advances in measuring instruments such as two-photon laser scanning microscopy and fMRI, the neuronal connectivity and circuitry of how the brain's various regions are hierarchically interconnected and organized are better understood now than ever...

We forget our passwords. We pay too much to go to the gym. We think we’d be happier if we lived in California (we wouldn’t), and we think we should stick with our first answer on tests (we shouldn’t). Why do we make mistakes? And could we do a little better?

We human beings have design flaws....