At its core, content curation is like a great editor or blogger who brings his unique taste and understanding of his target audience to his selection of the best content for his readers.
Heidi Cohen, one of my favorite writes and experts on social media marketing, discussed 12 key attributes of a successful content curation and marketing strategy in her blog post.
I particularly liked the section of her article on 3 key reasons about why you NEED content curation in your strategy.