NB: This is a guest article by Pedro Colaco, president and CEO of GuestCentric.
Here is a piece of so-called Inside Baseball piece of analysis that is slowly affecting large swathes of the travel industry, in particular hotels.
In 2011, when encrypted search was made default for logged in users, there was a great concern over repercussions in SEO as encrypted searches obliterate keywords.
Read full story at: http://www.tnooz.com/2013/02/12/news/the-death-of-seo-and-why-keywords-are-possibly-being-removed-to-push-paid-traffic/