The wisdom-of-crowds, collaborative, Web 2.0 world meets old-school forwarded emails with FWDitOn. From Techcrunch:
The idea is to allow people to see the most popular fowarded jokes and other emails, and there are some good ones on the site. An email can be added to FWDitOn by simply forwarding it to submit@fwditon.com – and you do not need to be a registered user to do so.
Huh. Well, it’s not some place that I’ll frequent with any regularity, but lots of people dig those emails. TechCrunch’s Arrington does offer this interesting tidbit: “There are rumors that Digg will soon launch new topics that go beyond news and allow users to vote on many different pieces of information. When that comes, look out.” Look out, indeed.
DarrenBarefoot.com 
I think I’ve had nightmares about web sites entirely constructed from FW: emails. Ack.