Correlation Does Not Equal Causation

We all know that correlation does not equal causation but it's always good to have more examples. When Obama took office Blackberry was the industry giant. Now, barely 42 months later, everyone is wondering if Blackberry can survive against Android (Google) and the iPhone. So, is Obama the cause of RIM's failure? Is there a correlation? Or is there no relationship whatsoever?

Milestones of Failure Line RIM’s Path to Disintegration