The Adwords Auction really isn’t talked about enough, and there are many PPC people out there who’ve never heard the term.
So let’s get talking about it now.
The Adwords Auction is the process by which Google decides which ads get to appear where when someone searches.
How they decide whether it’s you or someone else who appears, how they decide whether it’s PLAs or Keyword text ads.
I can’t take any credit for this infographic – but it does do a great job of explaining how it all works: