No sure, I didn't mean that navigation itself was hard, more that it's hard to know where to navigate to. If you can see, you can quickly scan a page and get so

No sure, I didn't mean that navigation itself was hard, more that it's hard to know where to navigate to. If you can see, you can quickly scan a page and get some sort of understanding of what is where, but at least with audio that's very hard. It seems that it should be possible to make cheap full screen braille displays, I suppose it's just that the volumes are not big enough to drive down prices.