How Google has changed SEO

This is an interesting infographic and blog post from SEO Book (larger image here).  Its interesting how the infographic shows that Google introduce new features that change the way that search is carried out, and making website owners tweak their SEO to ensure that content stays above the fold on the first page of Google.  There’s another interesting infographic showing how Google actually works here…

Google's Collateral Damage.

I wonder how the introduction of social components into the mix will affect Google search algorithms over time.  Social objects, without any specific tweaking appear high up in search results across the board.  I wonder how long it will be before we’ll need SEO for social object too?  Interesting thought…

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