Some people might wonder why Blackberry made the Passport Silver Edition. The original Blackberry Passport received exceptional reviews, but didn't sell very well; and yet, Blackberry went ahead and made the luxury Silver Edition version. And against all skepticism, the Silver Edition performs admirably. Blackberry’s original Passport revolutionized phone design with its broad screen, ergonomic design to fit into your palm and pocket perfectly, and of course all the usual o