Google plans to launch social bookmarking, according to an inside source. Sure, it shouldn't be a surprise (they could just tweak the Search History feature), so the big question is whether it'll suck.
If it does suck (and you kinda know it will), chances are Google won't admit it. It's not like Yahoo, who bought del.icio.us to fix problems with MyWeb. Google just doesn't do that, because they're INFALLIBLE.