Google your photos

From time to time, I like to Google my photos to see where and how they're being used by people. Here are the steps I follow in a search for this image:

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1. Go to Google Images. 

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2. Click on the camera icon in the search field

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3. Paste (or type) the URL of the image to search for. Or, upload it.

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4. You'll get a hit list of probable images and their URLs, with suggested images of similar color tones.

It's very useful to see your images, and identify image sources in news, social networks, and stolen ones. 

Another service is TinEye, but I seem to get wider results with Google.