Twitter co-founders on their business model

CNET News' Ina Fried caught up with Biz Stone and Evan Williams after their speech at D. In a video interview, the pair talked about why they are more interested in building a service than making money.

Twitter's Evan Williams and Biz Stone (far right) on stage with Walt Mossberg and Kara Swisher at the opening keynote Tuesday of D: All Things Digital. Ina Fried/CNET

CARLSBAD, Calif.--I left the Twitter keynote still wondering what the company's business model will be, but also with a new question.

Why are the co-founders so seemingly uninterested in making money? Haven't they heard about striking while the iron is hot? (Clearly they have. After all, Evan Williams sold Blogger to Google.)

Anyway, after the speech I got a chance to ask them that and more firsthand.

"I wouldn't say we're not focused on the dollars," Williams told CNET News. "We are trying to take a really long-term perspective about how we build a valuable and large company. That takes time and we only have so many resources and there's so much we have to's just a timing thing."

Stone echoed that.

"In order to create a company that has this enduring value, that is going to be here 5, 10, 15, 20 years from now, you have to focus on delivering value first and profit second, especially considering we are only two years old," Stone said. "We have time to work on what will be our business model."

For the full interview, check out the video embedded below.

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