I am re-posting this from the edgeio blog. Mainly because I think it has current relevance and will in future have historical value.
I’m not certain the edgeio blog will continue to exist, so this is the new home for the post. Since it was originally written we have seen the rise of Adbrite, Glam, Sugar Publishing, Digg and other businesses based on understanding the proliferation of publishing, reading habits, and advertising away from the big portals. I also note that Chris Anderson of Long Tail fame commented on the post, something I failed to notice originally. So, here is the original post
This post is a little more philosophical than most that you will see here. It provides a little bit of background as to why edgeio is in the business of bringing together, organizing and distributing listings to the edge of the network. In short it is because we believe that the Internet is moving away from big centralized portals, which have gathered the lions share of Internet traffic, towards a pattern where traffic is generally much flatter. The mountains, if you will, continue to exist. But the foothills advance and take up more of the overall pie. Fred Wilson had a post earlier this week about the de-portalization of the Internet which is essentially making the same point when seen from the point of view of Yahoo.
Update: 11am Pacific, Sunday 10 December Several commentators are seeing the word “de-portalization” (first coined by Fred Wilson) and reading “end of portals”. To be clear, and apologies if I wasn’t already, de-portalization represents a change in the relative weight of portals in a traffic sense, and the emergence of what I call the “foothills” as a major source of traffic. This will affect money flows. Portals will remain both large and will continue to grow. But relatively less than the traffic in the foothills. The foothills will monetize under greater control of its publishers and the dollar value of its traffic is already large and will get much larger.
The first picture is a rough depiction of Internet traffic before the flattening

The second picture is a rough depiction of today – with the mountains still evident, but much less so

The third picture is where these trends are leading. To a flatter world of more evenly disributed traffic.

Some of the consequences of this trend are profound. Here are our top 10 things to watch as de-portalization continues..
Discussion
Kevin Burton Techmeme Mike Arrington Syntagma Keith Teare’s Weblog Dan Farber at ZDNet Mark Evans Fred Wilson Ivan Pope at Snipperoo Tech Tailrank Collaborative Thinking David Black Surfing the Chaos Ben Griffiths Dave Winer (great pics) Kosso’s Braingarden Dizzy Thinks Mark Evans Dare Obasanjo
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Tags: digg, fred wilson, internet revenues, lions share, money flows, yahoo update