Is it over for BlackBerry? With the announcement that its $5-billion deal led by Fairfax Financial Holdings has fallen through, it’s hard to see a route back to viability for the  once-dominant brand. But the game is not over yet. There is still an intensely loyal core group of BlackBerry users who do not want to give up the traditional keyboard. With the right deal, another manufacturer could leverage the real value that still exists in the BlackBerry brand. The final chapter in the BlackBerry story is yet to be written. Read more.