• «competition for rack space», there is no rack space to compete for (there is competition for attention, that that is the same for every sellable thing).
I'm not sure I see the difference.
I'm not sure I see the difference.
Alternately, you must build a rack a mile long to offer the same breadth of selection.
Ebooks are roughly 50-250 KB in size. Figure out how many of those you could fit on a hundred buck TB drive. :-)