So many highlighted passages, thanks Jeff!
Totally agree re/ the death of the false demographics like age, gender, location. We wrote a briefing on this a couple of years ago: http://trendwatching.com/trends/post-demographic-consumerism/
And YES! to everything you say about content, conversation, around what business we’re really in, around product and ultimately about community (which of course is what the digital space as always really been about, as called out early in the Cluetrain Manifesto…)
Slightly different focus, as we’re in the insight/ innovation industry, but as a publisher of sorts, here’s a recent piece that echoes some of your thinking: https://medium.com/trendwatching-pulse/insights-into-the-future-of-the-insight-industry-9b534ed4a347#.jriv4v15x