From Joe: The New York Times talks about Illustrating Your Life in Graphs and Charts - For Fitness and Many Other Purposes:
That idea led him to co-found Daytum.com, which makes software to help people tabulate whatever they do and turn it into a chart — a visual depiction of everything from blood sugar levels to how much beer they drink. Mr. Felton said he had even seen a woman use the service to track her irrational fears.
At Lifehacker, readers are asked to share thoughts about whether technology helps you exercise: