Have you heard of TED?
I was browsing through Posterous' FAQ today and noticed that my blog is able to embed video from other sites like YouTube and one of my personal favourites, TED. The slogan of TED is "Ideas worth spreading". That ranks up there with "All the news that's fit to print" (NY Times) in my books. If you've never heard of TED and like giving your brain daily exercise then go now! Here's a sample video: