Twitter_IPOBig day for tech today, first Dell announced its going private in a $24.9 billion deal, and now Twitter says its filing for IPO.

Twitter made the announcement in the form of a tweet. Take note, the microblogging site is filing a ‘confidential IPO’, where they can keep their interactions with SEC private for the time being under the JOBS Act.

Twitter will however have to reveal their correspondence with SEC public at the time they make their filing public.