Twitter has already grown by 82 percent in just the last nine months, ZDNet reports, but the company behind the social-networking phenom is expecting Apple's integration of Twitter functionality throughout iOS 5 to spark massive mobile growth, Twitter Vice-President of Engineering Michael Abbott told an audience at GigaOM's Mobilize conference in San Francisco earlier today. He added that the company has been feverishly adding infrastructure and will continue to do after iOS 5 debuts.
