denotes premium content | Jul 31 2010 Regular
posted 5 Mar 2010 in Volume 13 Issue 5
Thought leader
In the early days of Web 2.0, when the internet first became a publishing medium open to the public, people tagged their material with their own descriptive words. They discovered that this was a pain because people used different words to label similar items, or forgot which words they had used, so they could not use them effectively as search terms.
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