Ever wonder why conventional wisdom is so conventional? It's because it's the same people repeating it over and over.

The reason why this happens is mostly laziness. Reporters and TV producers call on the same people to render their opinions because they are the ones who return calls and show up when they are needed. I have done it myself so I know the drill well. Yes, Woody Allen's claim that 80% of success is showing up continues to be proven right. These people can be summed up in several categories: wisemen -- they almost always are male -- whose every utterance is treated as if it was etched in stone tablets by the almighty, and insta-pundits -- who are able to give quotes on every topic imaginable. Finally, there are the personal finance gurus whose message is that by helping me make money, I can help you save money.

Below are my choices for the most overexposed business pundits and media personalities. They are in no particular order.

Wisemen: Alan Greenspan -- Don't you miss the days when no one understood what the former Fed Chairman was talking about? Now, his message is pretty clear: buy my book and the subprime mortgage crisis was not my fault. Honorable mentions: former General Electric Co. (NYSE: GE) Chief Executive Jack Welch, billionaire George Soros, and oilman Boone Pickens.