Brady's cryptic tweet a teaser for Super Bowl ad

-- Tom Brady's tweet on Thursday night that set social media on fire and sparked questions about his football future turned out to be a preview for a Super Bowl commercial.pic.twitter.com/P3mmWBb76V"They say all good things must come to an end, so to my teammates, my family, and my fans, you deserve to hear this from me," Brady said in the advertisement as dramatic music played, teasing the possibility of a big football announcement before shifting course and touting Hulu, a subscription streaming service.Brady concluded the ad by saying: "So it's time to say goodbye to TV as you know it. And then when the time is right, I guess in six weeks from now, everyone will be able to make their decisions."Brady added that he has had conversations with the Patriots, which he described as normal.Brady said he was throwing the football recently, and while he enjoyed attending the Super Bowl to meet with some of his boyhood idols, "for the most part, I look forward to the season ending and moving on to the offseason and trying to get back to work to improve the things I can do next year."I don't certainly want to take away from anything that is happening today," he said, in reference to the Super Bowl.