LogYourDay allows you to keep track of all sorts of metrics related to your life. You can quickly post messages such as "Today, I read 22 pages of #HarryPotter" and "Today, I squatted 215 pounds.". We used the AlchemyAPI to predict tags for posts and also extract out metrics. This data can then be graphed and visualized through a simple drag and drop interface. Ideally, with enough development time, you could graph complex expressions (such as your average mph when jogging) and could co-relate this data with other factors, such as your calories consumed. It could also ideally be extended to offer an API for wearable devices such as Fitbit to automatically push messages to your daily log.