I actually mention extremely good content aggregation in there, but more as a byproduct of good matching than as a way to arrive at it. But it really could work

I actually mention extremely good content aggregation in there, but more as a byproduct of good matching than as a way to arrive at it. But it really could work the other way around, with the things you and everyone else likes providing strong signal that can be correlated. I hope this is the year we all get a thousand true friends! Instant connection every time