Fred Wilson: "I'm a big fan of curation in these services. Twitter has lists. Etsy has favorites. Tumblr has tag pages. These are all variations of curation in services that have a lot of noise in them." Great comment: "Art stored randomly in a room is a warehouse. That same art curated and distilled becomes a gallery."
The loss of Google Reader is unfortunate. For new junkies, this was a priceless tool that made consumption of a large amount of information much easier. Even Mike says: "I was using Google Reader when I found out Google Reader was going to be shut down."
Creating unique social media content for your business, and curating relevant content for your audience, are both valid approaches to filling your content pipeline. This said, there is no single approach that will yield the best results.
An important article, in my humble opinion... Eric addresses thought leadership, taking shortcuts, and differentiation. I agree that curation does not a thought leader make. I also think, though, that there is more value to be had than just "leading the conversation."