Research in Motion will make a giant leap towards relevance on Wednesday when it unveils a new BlackBerry 10 smartphone and operating system. RIM showed Forbes a demo of the new-look interface earlier this month, and the software looked sleek, efficient and perfect for professionals. But can its much-hyped launch reverse a long-term decline that has beset Research in Motion in the last two years: a share price down by 73%, along with slimming market share and profits?