Google’s Collateral Damage
How Google Works
Infographic by the Pay Per Click Blog
The Rise of Brands in Google’s Relevancy Algorithms
A Look at How Longtail Content Lost Its Edge
Over the years Google has moved to consolidate search volume against fewer keywords (which are easier to match ads against) and they have inserted their own vertical listings in their search results. The result is that the longtail has become far less profitable for many publishers.
A Look at How Organic Links Have Lost Value