Until August http://fittor.fun/badoink/ freeiphoneporn * Twitter, which began as a side project in a small butfailing start-up seven years ago and grew into one of theworld's largest platforms for public conversation, is about totake its biggest step yet into maturity: selling stock to thepublic. The company announced on Thursday - in a tweet, one ofthe 140-character messages that are the backbone of the service- that it had filed paperwork with regulators to eventually sellshares in an initial public offering. ()