Cool interview with Fuji's Takashi Ueno about Fuji's decision to stick with APS-C and their approach to lenses.
Not a very long read, but a little interesting if you're passionate about Fuji.
http://fujifilm-blog.com/2015/06/30/interview-with-mr-takashi-ueno-from-fujifilm-tokyo-why-dont-fujifilm-make-full-frame-dslr/ 