I just started following @tomhalle on twitter, an executive I've known for some years. He came up with a few great, thought-provoking web sites. I thought I'd repeat them here in additino to my retweets on twitter.
Daily Beast: 25 Ways to Get Smarter in 2010 http://bit.ly/5LQFkt
PHOTOS: The Most Innovative Web Site Designs Of All Time http://bit.ly/5DGpzC
The 50 most interesting articles on Wikipedia http://bit.ly/2ktaib