Ask MetaFilter is a community site in which people ask and answer questions. There are tons of new questions every day, and they're all over the map -- you'll find life-and-death situations, complex technical topics, and even recipe suggestions. At the moment (as of 9am Pacific on January 6, 2011), I see a bunch of computer questions, along with these gems:
Wicked long shot, but I would like to identify a 15-year-old infomercial because it brought me so much joy. It featured a man in a dance club selling some mysterious service - 6 answers, including someone who found a complete video online showing the infomercial!
It's a big roiling pot of crazy awesome stuff. Check out the Most favorited posts of all time page for such hits as:
Help! I'm stuck in my bedroom. The knob won't turn much either way and won't come unlatched. The only person who has a key to my house is out of town, so I can't even call a locksmith and have him let in. How can I get out of my bedroom? The door knob is the kind with screws only on the exterior. I've tried to slide a credit card in, but that did not yield results. Anyone have any advice to help me get out of my room? - 115 answers, and a community quickly forms around getting this woman out of her room
You get the idea. Got a few hours/days/years to kill? Ask MetaFilter. Oh, and if you're a design geek you might enjoy their ridiculous 2010 Year in MetaFilter infographic.