Microsoft CEO Bill Gates announced today that he expects the company's long-term margins to shrink. Only a week ago, Microsoft reported record earnings of over $1 billion for the quarter ending March 31.

"Microsoft has a track record of trying to get analysts to be more conservative," Gates declared to a crowd of 2500 Chicago businessmen. "The margins we enjoy probably will come down over time...It's a business with a lot of risk, and things can change very quickly."

Gates mentioned that he is coming up with creative ways to tell analysts to be more conservative about his company's financial future. "They're not listening to us anymore.