It has been envisioned a long time ago that the digital age would eventually catch up with some of the retail stores. It started with the CD music retailers. Borders Books were paying two hefty overhead expenses that online book retailers didn't - rent and real estate tax. Each and every stores they had either paid rent/mortgage and real estate taxes.
Since their target market were upscale, their rent were not low either. They had to be in high traffic and high end shopping centers. So, who shall we blame for their demise?