Track Your Happiness.org is a recent project from a group of Harvard scientific researchers. The project's goal is to, "investigate what makes life worth living." Specifically, to see how the wandering mind and happiness correlate.
But how could this type of a survey really be effective when you would need the ability to invade the mind of your participant throughout the day for effective results?
Researchers were able to do something that traditional physiology methods have not allowed in the past: to intrude on the lives of their participants in a non-threatening and targeted way. What better means to prick the wandering mind than through what is the usual cause of a wandering mind- the smartphone.
This specific way of data collecting was made possible through (you guessed it) the iPhone...