Now Playing: 01-10-12 Marketplace

In the latest installment of our series on the future of TV, Jennifer Collins reports from CES on the coming changes in how we watch and what we'll see. The number of SEC filings rose by 4 percent last year. Marketplace's Heidi Moore breaks down the business of private equity. The CEO of WebMD Health resigned today, and sweets-maker Hostess filed for Chapter 11. Treasury Secretary Timothy Geithner is in China to try and get leaders there on board for sanctions against Iran. And a new book asks "Are You Smart Enough to Work at Google?"