This seems to be the pattern in networking technology waves. Initial networks were purely internal business networks (think Vines, Novell, and others) that created specific silos of communication. These were swept aside by TCP/IP, but it took a long time. Chat rooms were (and to some degree still are) popular for siloed group communication, but Twitter expanded that to world-wide proportions.
The shift seems to happen when people realize the power of world-wide communications and get over the need to fence off their information. It seems like that is happening faster these days then it has in the past.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.