In this week of big headlines for both Google and Microsoft, the quiet escalation in the war between Google images and Bing images has gone virtually unnoticed... until now.

On Monday, Google officially announced a new "sort by subject" feature in Google images. It's a pretty nifty way to find what you want, especially when you don't know exactly what you're looking for. Google uses the example of looking for a certain kind of a dog when you don't know the name of the breed. Search for "dog" and click on "sort by subject" and Google returns rows of dog images sorted by breed (with the exception of the "cute dog" row).

More: http://www.pcworld.com/article/227563/

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