We can see content curation/syndication from two approaches. One is 'Done Correctly' and other is 'Too Many'. If it is done correctly then syndication can be a very effective way to help develop your reputation and visibility online. But if too many, this is a controversial topic. You just need to know why it can help you, when to do it and how to do it the right way. Visit this
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Here are some of the best content curation websites you should use.
scoop.it
storify.com
paper.li
learni.st
pearltrees.com