[tomaskafka]

Many times I have thought about what could happen if Twitter asked you to recommend up to 3-5 people you value, and write a tweet-sized (or shorted) recommendation.

Over time you would get a 'pagerank for people' and could do awesome stuff with that, like 'You don't know XYZ, but 3 people you trust trust her, and this is what they tell about her:' ...

[halfdan]

Until that gets screwed using social engineering and people optimising for being affiliated with people writing them good reviews.

[Terretta]

You know, for people with Klout.

https://en.wikipedia.org/wiki/Klout