The sensors on the Waggle-run AoT nodes collect a good deal of data. They take in information such as weather conditions and traffic flow.
That's all well and good, but meaningless unless something is done with it.
AoT was designed with several goals in mind, all revolving around the betterment of the people living in Chicago.
Data collected by AoT is open, free, and available to the public. It's that same public that's coming up with some great uses for the data.