your.flowingdata caught my eye as a site that would pull information out of your Twitter stream and give some new visualizations. Close, but you have to feed it data.
We make tiny choices every day. Those choices become habits, and those habits to behaviors. your.flowingdata helps you see that it’s the little things in life that count by letting you collect data about yourself and your surroundings via Twitter.
your.flowingdata lets you record personal data with Twitter to both increase awareness and improve yourself.
It is a very insightful project that was worth mentioning. Here is a sample flow they have in the article.