"There are, arguably, two big things that need to happen between now and October. The first is technical: The federal government needs to finish building the infrastructure that allows multiple government agencies to transmit information, determining whether an individual should qualify for tax subsidies.... There's one other task on the Obama administration's plate just as big as technological work, and that's outreach. Even if the technological launch goes off without a hitch, that won't be much good if no shoppers show up to the marketplace."