What are the sustainable business models that successful civic startups are using, whether they use legislative data or other reuse of public sector information? What are the real costs associated with opening up government data to make it usable, both for government and entrepreneurs? And how does it balance against what datasets, at the federal, state or local levels, are the most valuable? Are they open and usable? If so, who’s using them and to what effect? If not, why not?