Now Playing: 12-20-11 Marketplace

AT&T has dropped its bid to buy T-Mobile. Kai talks to small business owners about how the payroll tax cut extension may affect them. A new website brings online learning into the classroom. Nonprofit hospitals receive tax breaks for charitable care, but it turns out most only spend 2 percent of that on actual charity cases. New home construction was up in November. Comedian Marc Maron reflects on holiday gifts. And we look at the past and present of Kodak.