Right because before I had to keep random acquaintances as friends and read their updates in order not to hurt their feelings, now I have to fly to random places in order not to hurt peoples feelings. Can't wait.
I had a business acquaintance get her feelings hurt because I didn't follow her back when she followed me on Twitter. I looked at her feed and she literally had tweeted about her breakfast that morning.
I quit Twitter instead so that I wouldn't have to hurt anyone's feelings anymore.
I wasn't getting much value out of Twitter anyway (not a judgement on Twitter's value, just on what I was getting out of it), and my business depends a lot on maintaining healthy relationships with lots of people, since we grow primarily by referral. It just made sense to drop Twitter altogether and tell people instead that I don't use it.
I don't think that's a problem for everyone (I aim for linkedin/facebook separation for these reasons)... Nevertheless, you could filter by the "hide this post from" list, weights of friendship (amount of likes, views, etc.) and other statistics... Of course, this is only viable if you have friends/family all around the place, not just in your locality (definitely not for everyone).
Still, seems like a nice advertising focus trick.
I'm working on something like that -- I'm starting with discovering where you can go on your airline miles, but it's all visual. I'm planning on integrating suggestions of low miles tickets where your friends are. I know this isn't quite what you're suggesting, but I'll be getting there :)
I just have a launch page up right now: http://flybymiles.com - but private beta coming next week.
In the meantime check out http://wanderfly.com - they could use a much better recommendation engine, but the content is there (ie: beach for $500)
How cool would it be to receive suggestions for flights in May with clusters in my social graph as destinations?