Using an existing datasystem called the Pennsylvania Justice Network, the state can cross-match inmate data with unemployment records to identify unemployment beneficiaries in county prisons and stop payments.
It requires effective management, the right publishing tools, a state-of-the-art content management system and the sharing of extremely granular data analytics to understand user behavior and preferences.
Getting to that stage might mean combining self-assembly methods with lithography, or doing away with the head that reads the data-packed disk and instead creating a self-assembling solid-state system on the model of Flash memory storage used today.
Google's transit directions pulled in data from multiple services -- you could take a city bus to an unrelated train system traveling across state lines.