So I am reading an article on ZDNet.com and on top of the article I come across a set of icons. See the image below. A couple of them are obvious. I can print the article or email it to someone. A more interesting one is the little rectangle with up/down thumbs along with a few numbers. This enables me to rate the article by giving it a thumbs up or down, which provides a metric on its worthiness. As you can see, this particular article has 71 votes with an overall score of +45.
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