Out of all of Google's social efforts, this is the most promising yet. What's unique about this is that (if they're keeping a search oriented business model) it

Out of all of Google's social efforts, this is the most promising yet. What's unique about this is that (if they're keeping a search oriented business model) it could allow for a more social ranking system. In other words, after a link gets so many recommendations, it moves up in search. I for one would love a search feature where I could click "recommended" and see if anyone I know has had experience with the topic. Baby steps are imperative with this one.