For a business that sold technology to consumers, it's shocking how poorly RadioShack missed the marks on the technological shifts that were happening right in front of their eyes — as though they wanted to ignore reality and just coast on their past riches. It's a shame really. A strategic vision is vital to ensure a company's longevity. Right now, I'm curious about Blackberry. By most account, John S. Chen, the current CEO of Blackberry, is a strategist and Blackberry has recovered some cache lately. Still, is it enough?