It seems every day new rumors emerge about what struggling Canadian smartphone maker BlackBerry (NYSE:BB) will do next as it searches for the path that suits its shareholders best. Sifting through the recent rumors, one move in particular stands out: a potential spinoff of its subscriber-based messaging service, BBM. As one of BlackBerry's strongest assets, this could certainly help make some serious money for investors in the short term. However, it's worth remembering that what's good for BlackBerry and it its investors today might not set up the company to win for years to come. In this video, Fool contributor Andrew Tonner looks at this potential move in greater detail.