These found by David Plant:
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Photoshop vs Photoshop Elements vs Lightroom

I found this article when I was looking for some explanation of the differences between the two Adobe products. It gives a different slant on the products and includes reference to Photoshop CC, suggesting the target audience for each product. It says that there is a 30 day free trial on both Elements and Lightroom, but I found the Lightroom trial is limited to 7 days which is barely time to open it up. I have included the URL in the article.