Post the Panda, Penguin and EMD now its the turn of Zebra from Google! The Google zoo animals are let loose around the web to counter and clean up all the mess out there in the form of SPAM. The initial search algorithm updates from Google were aimed at thrashing spam and low quality websites and to an extent the above three updates did a real good job in cutting down unworthy links from the search listing.
Now the latest Google search algorithm update is called the Google Zebra algorithm update and from the speculations in the air, the Zebra would be aiming to attack the social aspects of marketing and the black spammy shade of that on websites. There are millions of social networking pages targeting keywords in the results on the Google search that rank top above other legitimate websites.