Now Playing: 08-20-12 Marketplace

The business of news is changing, with more and more news offered and read online -- but that's leaving older readers behind. The Detroit Institute of Arts has managed to save itself from closure by getting local residents to agree on an additional tax to fund the organization. Health care giant Aetna announced it's going to buy rival Coventry Health Care. The revolution in Libya has affected one unlikely business: A family-owned sawmill in Louisiana. And in our new series "Payday," we learn that telling someone how much you make is still taboo, but the secrecy around our salaries may be leading to unfair compensation.