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Pair tagging


Pair Programming is a powerful thing. Google uses a similar idea to pair two human 'bots' for the Google Image Labeler.

You'll be randomly paired with a partner who's online and using the feature. Over a two-minute period, you and your partner will:

    * View the same set of images.
    * Provide as many labels as possible to describe each image you see.
    * Receive points when your label matches your partner's label. The number of points will depend on how specific your label is.
    * See more images until time runs out.

http://images.google.com/imagelabeler/