Now Playing: 09-06-12 Marketplace

The European Central Bank unveiled its bond-buying program today. Lawmakers hope it will strengthen the euro. How does it work? Sr. Producer Paddy Hirsch explains with a candy store analogy. President Obama's big speech got us wondering, what is the value of good public speaking? And you hear this a lot: Are you better off than you were four years ago? We asked our listeners that question, and many of you weighed in. Plus, Frank Newport from Gallup tells us what the polling data says. Also, stories on Google's super-fast Internet service in Kansas City, why milk sales are so low, H&M's latest environmental move, and how subsidies pay for your lifestyle.