Panda penalized sites with duplicate content. It hurt site like Hubpages that ended up having their content duplicated across the internet and often had duplicate content. Penguin look at links and penalized links that looked over-optimised. It meant that your articles and blogs and marketing links were infective and in some cases causing you to be depreciated. But the latest updates moderate some aspects and revive some things while enforcing strict rules. It changes the game again. I have added two blogs to explain hoe this effects tourism and internet marketing
Click Here The Blogs & Updates. I will be adding more tutorial videos to clarify this – the existing tutorials are valid and will make good viewing in relation to these blogs and recommendations. Get them on our website below:

›› http://axses.net/BuildYourBusinessOnlineBook/