The co-founders said they know the hype surrounding Twitter won't last forever.

"If you pay attention to it too much, you can run yourself off the rails," Stone said. He added, "Pretty soon, everybody's going to hate us."

The privately held company has been a subject of buyout speculation by a big technology company, but Williams said he believed Twitter would remain independent.

Copyright 2009 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

If you liked this article you might like

What's Behind the Surge in Energy Stocks

Hillary Clinton Says Prosecuting Individuals is Key to Wall Street Reform