On August 8, 2016, a fire and subsequent power outage took thirty Delta Airlines servers offline, stranding hundreds of thousands of passengers in airports around the country. CEO Ed Bastian didn’t hesitate to communicate with a nation of angry customers, going on camera via Twitter at 10:48 a …

Other examples of offline networks are alumni networks from your schools, colleges, previous work places and similar locations. Many of these are now online, though very few are doing much beyond basic database creation and sharing. Just this year one of my graduate schools has started systematically co-creating executive education …