I'm really curious what web browsers can do to help people (re)discover interesting/useful/entertaining/etc webpages without relying on centralized, profit-seeking services. That's what really got me into web browser development.
I've found some good techniques for this. I love good old-fashioned webfeeds! Echoing back unvisited links you've encountered works quite well as personalized recommendations! I like the topsites concept!
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