Investors hang on every word spoken (or not spoken) by the Federal Reserve Chair

Investors hang on every word spoken (or not spoken) by the Federal Reserve Chairman Janet Yellen (as they did her predecessors) regarding interest rates. Under Ben Bernanke the Fed announced that it would be more open in discussing its outlook for the economy and how that outlook will direct monetary policy a policy that apparently will be continued under Yellen. In your opinionIs greater openness by the Fed a good or a bad thing given that the market may over-react to any statements from the Fed?How should the Fed balance the concerns regarding recession and inflation?