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comment by Isherwood

Have you thought about doing something akin to feeds? You could use something like (SMMRY)[http://smmry.com/] to get the blurbs and probably the URL structure or something to make tags.

I mean, they're curating, but besides that there's no real added value. (actually, you can use their API to sort by top, so they don't even have a human curating.)