Screen size. Just like last year was the year of the multi-core processor, 2013 is surely the year of the big screen. There was a time when 5 inches of diagonal were considered overkill, but with just about every major brand now flaunting a fullHD five-incher, it seems the only way to go is up. And Samsung has done just that. With the release of the Samsung Galaxy Mega 6.3 the Galaxy Mega 5.8, the...