Real-Time Bit.ly Statistics
Bit.ly, the URL shortener, has released real-time stats for URL access:

/Message: Fred Wilson Wants A Streamroll - bit.ly Statistics, originally uploaded by Stowe Boyd.
I think it’s fascinating that posting a bit.ly into the Twitter stream can lead to a cascade of retweets and clicks, leading back to a blog post.
[disclosure: I am an advisor to bit.ly.]