Twitter CEO: Not Tweeting Any IPO Soon

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Twitter is not in a hurry to go public, CEO Dick Costolo said Tuesday at the Wired Business Conference.

"The business is working so well and we financed the growth of the company the way we wanted to finance it last year that we don't see any need or urgency to even start thinking about that stuff," he said.

"You IPO because you want to finance the growth of your business, and business is growing on its own organically, and we have plenty of money in the bank from financing, the private financing from last year."

Costolo also said he doesn't know or care if there is a technology bubble brewing.

"I could sit here and give you a yes or no answer, we are in a bubble, or no we are not in a bubble, I don't really know and I don't really care. I don't think about things I do in that context, I just don't," Costolo said. "And that wouldn't inform any decision I made really based on whether I thought whether or not we were in a bubble."

Costolo said a billion Tweets are sent every 2 1/2 days or so, but he would not confirm reports that Twitter may be exploring premium accounts. He didn't deny that the company was considering it.