Social Search Manipulation: Case Study

Niall Kennedy has one of the most thorough write-ups on why search spam exists with his article “The Spam Farms of the Social Web.” The article explains how he stumbled upon a spam site, researched the site to death, guesstimates on how much money they can make and services that help you make it rank well. This includes a look at blogs, digg,, other social sites, link building tactics, directory inclusion, content writing, and more.

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A screenshot of visual search on Pinterest. On the left is a picture of a copper angle-poise lamp, with the words 'Visually similar results' above it. Down the right-hand side are a number of pins showing similar lamps.
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