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Jack Dorsey: An IPO is not an exit plan

The Twitter co-founder and Square CEO tells CNBC that Twitter will go public when "we feel the company is ready," and Square wants to go global.

Screenshot by Donna Tam/CNET

Twitter co-founder and Square CEO Jack Dorsey has reiterated Twitter's cautious approach to being a public company by saying that a company's initial public offering shouldn't be the end-all for startups.

"You can think of an IPO as an exit or a goal, or you can think of it as more of a milestone. For us, it's a milestone," he told CNBC's Maria Bartiromo in a segment aired today.

When asked about Twitter's plan to become a public company, Dorsey said the company will go public "when we feel the company is ready for that milestone."

This isn't the first time Dorsey's been vague about whether or not the micro-blogging company will ever go public. He's made similar comments before, as has current Twitter CEO Dick Costolo.

As for Square, the young billionaire said the company's next plans are world domination, of course. Its credit card services, originally only available in the U.S., became available in Canada for the first time in late October, and Dorsey said the company wants to bring Square to all countries.

"The biggest move for us right now is bringing this around the world," he said.